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July 2025
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Physics 101 Mechanics
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July 9, 2025
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July 9 of 2025
Podrias decirme donde se encuentran los esfuerzos maximos en esta figura (si es posible conprobar con solodworks)
47. 왼쪽 끝 (x=0) 이 고정되고 오른쪽 끝이 자유로운 길이 L 의 균일한 외팔보가 있다. 단위 길이 당 하중이 w(x)=(2w_(0))/(L)[(L)/(2)-x+(x-(L)/(2))U(x-(L)/(2))] 로 주어질 때, 휨 y(x) 를 구하여라.
A metal sphere hangs from a string and has 2 kg of mass. The sphere has a charge of 5.7 pC. A unillorm electric field is turned on and directed to the right. (a) Which way does the sphere move? ◻ left right (b) What is the electric force on the metal sphere if the magnitude of the electric…
Practice Final Exam 12 Points) The cross-section below is subjected to a positive bending moment, M, about a orizontal axis. Determine the largest bending moment M that can be applied without exceeding ither of the following allowable stresses: \sigma _(all )= 5ksi,\sigma _(all )=-14ksi. /bar…
The compound cylinder shown below with a=160mm,b=190mm is fabricated from a hollow outer brass cylinder and a solid steel shaft by using a shrink fit process. For this assembly, the relationship between the shrinking allowance, \delta , and the interfacial pressure, p, is of the form p=c\delta…
A gas turbine operates under an ideal Brayton cycle with a perfect regenerator ( 100% effectiveness). The compression ratio for the compressor is 10 and the maximum temperature allowed for the turbine is 1200 K . Find: a) The net work output ( k(J)/(k)g ). b) The thermal efficiency of the gas…
(15-16) 길이 L 의 동일한 막대에 x=(1)/(2)L 에서 집중된 하중 w_(0) 가 닿고 있다. 그림 7.5.5 (문제15)와 그림 7.5.6(문제16) 참조. 라플라스 변환을 사용하여 주어진 경계값 조건에 대응한 미분방 정식 y(0)=0,y^(')(0)=0,y^('')(L)=0,y^(''')(L)=0, EI(d^(4)y)/(dx^(4))=w_(0)\delta (x-(1)/(2)L),0 을 풀어라. 15 y(0)=0,y^(')(0)=0,y^('')(L)=0,y^(''')(L)=0 그림 7.5.5 막대는 왼쪽 끝이…
Şekilde gösterilen AB çubuğuna P=10 kN'luk bir kuvvet uygulanmaktadır. BC çubuğunun burkulup burkulmadığını belirleyiniz. BC çubuğu, x-x ekseninde pim (basit) mesnetli, y-y ekseninde ankastre mesnetli olarak düşünülmektedir. Emniyet katsayısı n=2 ve elastisite modülü E=210 GPa'dır
14. The term describing the mass forces is important in the equation of motion for: a. Liquids b. Gases c. liquids and gases Justify your answer
An airplane flying due north at 90.k(m)/(h) is being blown due west at 50.k(m)/(h). What is the approximate resultant velocity of the plane? A. 140k(m)/(h) B. 120k(m)/(h) C. 103k(m)/(h) 0.82k(m)/(h) E. 40k(m)/(h)
Find the potential difference between point a and point b for the situation shown below. Here \epsi _(1)=12.0V,\epsi _(2)=8.77V and R_(1)=4.33\Omega , R_(2)=5.04\Omega , and R_(3)=2.08\Omega . V_(a)-V_(b)=
I already have the angle theta. can you please show a and b in diagram with angle theta.
10 An aluminum plate which had a 0.8 in . diameter hole in the middle, failed when it was subjected to a 40 ksi tensile stress. Post mortem of the failure indicated brittle fracture due to presence of a sharp crack, which was located in the perpendicular direction to the reference stress. The…
A force of P=10 kN is applied to the AB bar shown in the figure. Determine whether the BC bar is buckled or not. The BC bar is considered to be pin (simple) supported in the x-x axis and fixed supported in the y-y axis. The safety factor is n=2 and the modulus of elasticity is E=210 GPa
d) Se tienen dos partículas fijas, una carga \( q 1=-2 q \) y otra carga \( q 2=8 q \), con una distancia D. entre ambas como se muestra en la fig1. ¿En qué punto que no esté infinitamente lejos y sobre el eje \( X \) puede ponerse un protón para que este se encuentre en equilibrio…
The A-36 steel bolt is required to absorb the energy of a 3-kg mass that falls \( h=25 \mathrm{~mm} . E=200 \mathrm{GPa} \). Part A If the bolt has a diameter of 6 mm , determine its required length \( L \) so the stress in the bolt does not exceed 170 MPa . Express your answer to three…
The RC circuit shown in the figure has resistance of R=5,8k\Omega and the capacitance of C=4,7\mu F. The capacitor is initially charged at a voltage V_(0)=31,6V at t=0,when the switch is closed. How long does it take for the current running in the circuit to go down to 53% of its initial value?…
If \omega _(2)=20ra(d)/(s) CCW as shown in Figure Q2, find the angular velocity of link 6 . D {(:[OA=10,cm]),(,:m),(,:m),(,:m),(,:m),(,;cm):}
k(J)/(k)g k(J)/(k)g M_(air )=28.97k(g)/(k)mol;R_(air )=0.2870k(J)/(kg-K) with variable specific heats.
for the following system calculate: a. pump efficiency b. theoretical torque required to operate the pump. (Note: XX is the last tow numbers from your university number)
A roller of (total) mass 2.3 kg consists of two disks of radius 0.43 m joined via an axle of radius 0.18 m , shown in side view. The moment of inertia of the roller is 0.315kg*m^(2). A light string is wrapped around the axle, and a tangential force vec(F) of magnitude 13.3 N is applied to the…
QUESTION 2 - [24 marks] A barge with rectangular hull has an un-laden mass of 6601 tons with a length =140m, breadth =23m and a height =14m. The barge is loaded with two different cargos. The first cargo is loaded on top of the deck of the barge and increases the draft in sea water by 4…
Draw the Shear force and Bending Moment diagrams for the beam. Problem 2 (10) Draw the shear force and bending moment diagrams for the beam supported and loaded as shown in the figure below. Partial credit will be awarded if deserved, but no more than half credit will be awarded if the…
Consider a gas turbine with an intercooler, a reheater and a regenerator. This turbine has a two stage compressor as well as a two stage turbine. For both the compressor and turbine, each stage has a pressure ratio of 3.5 . Note how it says each stage, not total pressure ratio. The compressor…
#3 (20점) 그림 3에 주어진 회로에서 캐시터 20 mP 에 부펴되는 전압 v(t) 를 구하시오. 그립 3
1 ( 35% ) A helically wound fiber-reinforced cylindrical pressure vessel is subjected to an internal pressure of 1.0 MPa . The cylindrical shell has an inner radius of 100 mm and a wall thickness of 1 mm . The strengths of the composite material are: x_(t)=x_(c)=1500MPa,Y_(t)=80MPa,Y_(c)=190MPa…
Draw Bending Force and Moment deagram, N+0x=d, undiosth =N,1 twe =(29)/(N+0)
please answer this question, Figure Q1 shows a rectangular flat plate with length of a, width of b, and thickness of h is subjected to a uniform pressure p_(o). The plate is regarded as simply supported plate. By using Navier's approach, determine the expressions for the: a) deflection, and b)…
[Rolerences] Identify the indicated faces in the molecules below as Re or Si. side a: side b: side a: side b:
A proper way to drive a screw using a screwdriver into a workplece is to hold the workpiece In a vise In your strongest hand On your lap With a pliers
LIST OF FORMULA 2 Mx^(¨)=-F_(n) (d^(2)x)/(dt^(2))=-(F_(0))/(M) (dx)/(dt)=-(F_(0))/(M)t+C_(1) t_(FINAL)=(MV_(0))/(F_(0)) P_(M)=386t^(1.86)b^(0.14)\sigma _(Y)^(0.57) P_(MAx)=2.87P_(M) P_(1)=1.42P_(M) P_(2)=0.57P_(M) where: P_(M)= Static mean crush force (N) P_(MAx)= Maximum crush force (N) P_(1)…
1 Required information A 1100-kg block B slides without friction inside a slot cut in arm OA which rotates in a vertical plane. The rod has a constant angular acceleration \theta ^(¨)=10ra(d)/(s^(2)). Know that when \theta =45\deg and r=0.8m, the velocity of the block is zero. ◻ Determine the…
The largest allowable length L is ft. Two L4 \times 3\times (3)/(8)-in. steel angles are welded together to form the column AB. An axial load P of magnitude 16 kips is applied at point D. Using the interaction method and an allowable stress in bending of 22 ksi , determine the largest allowable…
Question 18 How many mm^(3) are in 16.7cm^(3) ? 1.67\times 10^(-5)mm^(3) 1.67\times 10^(-8)mm^(3) 1.67\times 10^(7)mm^(3) 1.67\times 10^(4)mm^(3)
A \( 1,100-\mathrm{N} \) uniform boom at \( \varphi=55.5^{\circ} \) to the horizontal is supported by a cable at an angle \( \theta=34.5^{\circ} \) to the horizontal as shown in the figure below. The boom is pivoted at the bottom, and an object of weight \( w=2,450 \mathrm{~N} \) hangs from its…
Şekildeki T profiline, A noktasında z doğrultusunda P çeki kuvveti uygulanmaktadır. Emniyet gerilmesi \sigma _(emn )=2000(N)/(c)m^(2) olduğuna göre kesitin güvenle taşıyabileceği P kuvvetini hesaplayınız. (Not: Kuvveti ağırlık merkezine taşımayı unutmayınız.)
1 Required information A 75-lb collar released from rest in the position shown, slides down the inclined rod, and compresses the spring. The direction of motion is reversed and the collar slides up the rod. The maximum deflection of the spring is 5 in. Consider l=18in. ◻ Determine the maximum…
Which equation below best describes the relationship between vec(v)_(2),vec(v)_(2), and \Delta vec(v) ? A) vec(v)_(2) vec(v)_(2)=\Delta vec(v) B) vec(b)_(1) \Delta vec(u)=vec(u)_(2) Cvec(v)_(2) \Delta vec(v)=vec(v)_(1)
Problem 3: A beam AB of span 8 metres is simply supported at the ends. It carries a uniformly distributed load of 30k(N)/(m) over its entire length and a concentrated. Load of 60 kN at 3 metres from the support A. Determine the maximum deflection in the beam and the location where the…
Problem 8. Consider the following refrigeration system: The working fluid is R-134a. The refrigerated space is maintained at \( -5^{\circ} \mathrm{C} \) by this system. The condenser is water cooled. \( 0.13 \mathrm{~kg} / \mathrm{s} \) of water enters the condenser at \( 20^{\circ} \mathrm{C}…
Question 1 (1 point) ✓ Saved What is the main action the EPA is proposing? Strengthening emissions standards Expanding renewable energy subsidies Introducing carbon taxes on power producers Eliminating limits on greenhouse gases from coal and gas-fired power plants
PROBLEM # 1 ( 65 points) Bearing reactions R_(1) and R_(2) are exerted on the shaft shown in the figure, which rotates at 950re(v)/(m)in and supports an 8 -kip bending force as shown in the figure. The shaft is made of 1095 HR steel and its surfaces are machined. Determine a diameter d for a…
The diver leaves the platform with an initial upward speed of 2.8(m)/(s). A stationary camera on the ground is programmed to track the diver throughout the dive by rotating the lens to keep the diver centered in the captured image. State the values of \theta ^(˙) and \theta ^(¨) at the instant…
In the design of a domestic roof structure, beam are to be simply supported, and carrying forces as shown in Figure 2 below. These beams are to be made of timber that has an allowable bending stress of \sigma _(allow )=7.5MPa and an allowable shear stress of \tau _(allow )=0.6MPa. i. Draw a…
P=6kN,a=1m. Simply supported beam in Figure. Determine the maximum deflection of the beam. E=200GPa.
QUESTION 2 - Aerodynamics A savonius wind turbine rotor constructed from two halves of a 175 litre drum as shown in Figure 2 is used for renewable energy generation. The drum is has a diameter of \( \mathbf{5 0 0 ~ m m} \) and a height of \( \mathbf{9 0 0 ~ m m} \). The drag coefficient for the…
\mu Consider the cylindrical conductor with a hollow center and copper wals of thickness b-a as shown. The radil of the inner and outer walls are a and b respectively, and the currert I is uniformly spread over the cross section of the copper (shaded region). What is the magnitade of the…
Take w=720(N)/(m). (Figure 1) Figure 1 of 1 Part A Determine the normal force at a section passing through point D of the two-member frame. Express your answer to three significant figures and include the appropriate units. Request Answer Part B Determine the shear force at a section passing…
F. Follow the steps you learned today to determine the three currents in the circuit on the right. G. What is the power used by the entire circuit? (Hint: batteries supply power when the current runs through them in the direction you would expect, and they use up power when the current runs…
If l=0, which of the following may be true? Answer: A n=6 0 m_(l)=-1 c. m_(l)=1 D m_(s)=11 E m_(s)=10
(b) The solid shaft is made of A-36 steel as shown in Figure 4 has a diameter of 200 mm and is supported by bearings at A and D, which allow free rotation. Determine the angle of twist of gear \( C \) with respect to \( B \).
The tube has an outside diameter of 3.9 in ., a wall thickness of 0.11 in ., and length dimensions of a=17in. and b=9in. The load magnitudes are P_(x)=940lb,P_(y)=470lb, and P_(z)=610lb. Determine the principal stresses on the underside of the tube at point H, and show these results on a…
Beam \( A B \) is supported as shown in the figure. Tie rod (1) is attached at \( B \) and \( C \) with double shear pin connections, while the pin at \( A \) is attached with a single shear connection. The pins at \( A, B \), and C each have an ultimate shear strength of 67 ksi , and tie rod…
Question 1: a(u)/(U)=a+b(y)/(\delta ) to evaluate the boundary-layer thicknesses \delta ,\delta ^(*), and \theta and the surface shear stress \tau _(0) for flow over a flat surface. b(u)/(U)=a+b(y)/(\delta )+c((y)/(\delta ))^(2)+d((y)/(\delta ))^(3)
A hiker is climbing a steep 14\deg slope. Her pedometer shows that she has walked 1500 m along the slope. Part A How much elevation has she gained? Express your answer with the appropriate units. h= ◻
Which of the following statements about the committee system are accurate? Correct Answer[i] Dreg apprepariste asswer|al have . q, Standing committees must be renewed each * legislative session. For each policy area, the standing Standing momaitnee have clear committees are representative of…
The robot arm is elevating and extending simultaneously. At a given instant, \theta =36\deg ,\theta ^(˙)=23de(g)/(s)= constant, l=0.52m,l^(˙)=0.25(m)/(s), and l^(¨)=-0.15(m)/(s^(2)). Compute the magnitudes of the velocity v and acceleration a of the gripped part P. In addition, express v and a…
Question 7 Problem 3 Part A. Use the devices below with the given operating conditions. The mass flow rate of the air is 2k(g)/(s). The mass flow rate of the refrigerant is 1k(g)/(s). If necessary, evaluate specific heats at 300 K . T_(1)=300K T_(3)=293K P_(4)=(7)/(b)ar…
Question 72 Select one answer (A to D) for each of the following. Which term means fainting? a. timitus t. Throope c. patior 4 themen Question 73
QUESTION 3-[22 marks] A vertical venturi is fitted to a pipe line with a 152 mm inside diameter conveying Jet fuel with a SP.GR of 0.8075 The throat diameter equals half the inside diameter of the pipe line. The vertical height between the tap of points on the venturi \( =245 \mathrm{~mm} \).…
Need help with these Digital Circuit Design questions. Full solution please.
A piston having a cross-sectional area of 0.07m^(2) is located in a cylinder containing water as shown in the figure below. An open U-tube manometer is connected to the cylinder as shown. For h_(1)=180mm and h=300mm, what is the value of the applied force, P, acting on the piston? The weight of…
Q2 QUESTION 2 Based on the Simple Structure surface construction given below, solve the all the forces and reaction forces on all 6 surfaces of the box structure
Assume the first law of thermodynamics is given as \( \Delta U=Q-W \). In this relationship, what does a positive value of Q represent? Heat, meaning the thermal energy of the system Heat, meaning energy being transferred out of the system by its environment The net electric charge in our…
\# 1 Suppose a plug-in electric vehicle has a 64 kWh battery. The energy consumption of the vehicle is \( 16 \mathrm{kWh} / 100 \mathrm{~km} \). a. If the battery is charged to \( 60 \% \) of its capacity, how many miles can be driven before recharging the battery? b. If you want to travel 200…
Write the 300 lb tension in cable AE as a vector.
( 8 points) For the beam and loading shown, determine the equation for the bending moment along the length, M(x). w=(w_(o))/(L^((1)/(2)))x^((1)/(2))
[30%] A pair of wedges is used to lift the crate as shown in Fig. 3. The crate has a weight of 1200 N , the wedge angle theta= 10^(@), the static friction coefficient between wedges A and B is 0.35, and between other surfaces is 0.10. Specify the minimum force P required to move the wedge to…
3 ( 35% ) Consider a graphite-reinforced polymer composite lamina, as shown in the figure, with following matrix and fiber material properties: E_(m)=2.6GPa,E_(f)=200GPa, (
A group of people protected from employment discrimination based on a specific characteristic or identity that they share is called a(n) intersectionality. diversity wheel. stereotype. protected class.
Review. From the set of equations p=3q pr=qs (1)/(2)pr^(2)+(1)/(2)qs^(2)=(1)/(2)qt^(2) involving the unknowns p,q,r,s, and t, find the value of the ratio of t to r.
3. İzole edilmiş bir piston-silindir cihazında 120 kPa sabit basınçta 0.8 L doymuş sıvı su bulunmaktadır. Silindir içinde bir elektrik direncine akım gönderilmektedir ve bu esnada yapılan elektrik iși 1400 kJ olarak verilmiştir. Çevre şartlarının \( 25^{\circ} \mathrm{C} \) ve 100 kPa olduğunu…
7.8 An end burning rocket employs DB propellant grain with a density of 1438k(g)/(m^(3)) and length of 245 mm , which produces 1.5 kN over 175 s with the characteristic velocity of 1250(m)/(s) and thrust coefficient of 0.98 . The pressure index n and burning constant of this propellant are 0.7…
Fundamental Problem 7.8 2 of 2 Determine the shear and moment as a function of x, and then draw the shear and moment diagrams. ( Figure 1) Figure 1 of 1 Part A Determine the shear as a function of x. Express your answer in terms of x, where x is in meters. V= kN Part B Draw the shear…
The initial temperature of air is 300K and the pressure ratio is 10 (It says compression ratio, but It is theA gas turbine operates under an ideal Brayton cycle with a perfect regenerator ( 100% effectiveness). The compression ratio for the compressor is 10 and the maximum temperature allowed…
Question 2. Consider a pump that is used for increasing the pressure of water in a piping system so that a fountain is created in a pool. The piping system is composed of 10 m of 0.045 m diameter commercial steel pipe, five long-radius flanged 90\deg elbows, and two fully open gate valves. If…
Class Problem (Phase Diagram): Make phase analysis of the equilibrium (ideal) solidification of lead-tin alloys at the following points in the lead-tin phase diagram. (a) At the eutectic composition just below 183\deg C (eutectic temperature). (b) The point c at 40%Sn and 230\deg C. (c) The…
3.58 Neglect the weights of the pulleys and the deviations of the rope from the vertical. The object A weighs 200 lb . Determine the force T necessary to support it. Problem 3.58
The route followed by a hiker consists of three displacement vectors vec(A),vec(B), and vec(C). Vector vec(A) is along a measured trail and is 1550 m in a direction 25.0\deg north of east. Vector vec(B) is not along a measured trail, but the hiker uses a compass and knows that the direction…
A vibrating structural component is subjected to alternating stresses as shown below: \sigma _(min)=[[-700,500],[500,-600]]MPa;,\sigma _(max)=[[300,700],[700,400]]MPa Apply the maximum distortion energy theory of failure together to compute: (a) Equivalent alternating and mean stresses: \sigma…
IV. Practice A. For the circuit on the right, pick a direction for the current in each branch. B. Label the ends of batteries and resistors with +/- to indicate which end is at a higher/lower electric potential. C. Write down Kirchoff's junction rule for half of the junctions (here, there are…
A rectangular gasoline tank can hold 53.0 kg of gasoline when full. What is the depth of the tank if it is \( 0.460-\mathrm{m} \) wide by \( 1.020-\mathrm{m} \) long? (Discuss whether this gas tank has a reasonable volume for a passenger car.) 71.9 L Submit Answer Incompatible units. No…
PROBLEM 6 An 8 - ft -long steel member with a W8\times 31 cross section is subjected to a 5 -kip * in. torque. The properties of the rolled-steel section are given in Appendix C. Knowing that G= 11.2\times 10^(6)\psi , determine (a) the maximum shearing stress along line a-a,(b) the…
Q.2. ( 25 points) :ideal Rankine cycle steam power plant shown in the figure is designed for specific operoting condistions. The high pressure in the cycle is set at 4800 kPa , while the low pressure is 10 kPa . To ensure efficient use of the steam and minimize energy loss in the form of liquid…
1 Required information For the beam shown, find the reactions at the supports and plot the shear-force and bending-moment diagrams. V1=30.00lb(f)/(i)n and V2=9.00in. What is the value of the peak moment between points C and D ? The peak moment M_(4) between points C and D is
Determine the equivalent force and moment system at A that would replace the distributed forces shown acting on the beam.
If vector vec(A) has unity magnitude and makes an angle of 30\deg with the x axis, then the x and y components of vec(A)…
Two cars A and B have masses of 1200 kg and 1160 kg respectively. They collide on the icy pavement of an intersection. The direction of motion of each car after the collision is measured from snow tracks as shown. Driver A states he was going \( 45.0 \mathbf{~ k m} / \mathbf{h} \) just before…
Mutual funds are marketed ◻ by fund underwriters and ◻ by broke indirectly, directly directly, indirectly indirectly, indirectly directly, directly
Alam and Bobby are twins who have the same weight. Alsm droys to the ground from a tree at the same time that Bobby If they bodh start as the same beight above the ground, how do their kinetic energies compare when they hit the grownd? They have the same kinetic energy. Bolby has greater…
Rotation of bar OA is controlled by the lead screw which imparts a horizontal velocity v=39m(m)/(s) to collar C and causes pin P to travel along the smooth slot. The velocity of collar C is decreasing at a rate of 5m(m)/(s^(2)) at the instant in question. Determine the values of r^(¨) and…
A simple and common technique for accelerating electrons is shown in the figure below, where a uniform electric field is created between two plates. Electrons are released, usually from a hot filament, near the negative plate, and there is a small hole in the positive plate that allows the…
Dos adolescentes halan unas cuerdas atadas a un árbol. El ángulo entre les cuerdes es 30,0\deg . David hala con una fuerza de 400,0Ny Stephanie hala con una fuerza de 300,0N. (a) Halle la forma de componentes de la fuerza neta. (b) Hatle la magnitud de la fuerza resultante (neta) sobre el árbol…
1. A GPS tracking device is placed in a police dog to monitor its whereabouts relative to the police station. At time t = 15 min, the dog's displacement from the station is 1.1 km, 33° north of east. After a little break, the dog continues to run for 20 min in the direction 75° north of east…
Locate the centroid of the plane area shown
Consider the RC circuit shown in the figure below. The resistance of the circuit is R=3,6k\Omega and the capacitance of the initially uncharged capacitor is C=3,3\mu F. If the emf of the battery the circuit is connected to \epsi =22,1V and the switch is closed at t=0, determine how long it…
Question 3 3.1 Bazola is a concrete manufacture based in Cape Town. The company is using the ball mill to crush the stones and conveyor belt to transport the crushed materials. What are the main problems this equipment will encounter in the long run and what could be the solution. Use the table…
Increasing the imaging depth will: Decrease the pulse repetition period Improve temporal resolution Decrease the pulse repetition frequency Increase the beam intensity
a) Escriba cada uno de los vectores de la figura 1.37 en términos de los vectores unitarios i - y j. b) Utilice vectores unitarios - 1 para expresar el vector C, donde C = 3.00Ă - 4.00B. c) Determine la magnitud y la dirección de C. b.) Dado dos vectores Á= 70.0\deg 4.00đ 3.00f y B = 5.00î -…
Find the location of the centroid of the two bodies.
Example - 3 weight pans and each pan is 5 kg - d is 18 cm - Forearm length is 30 cm in an equilibrium state, how much is the total applied moment by the upper arm muscles? How much force is spent by the biceps, If a displacement between the biceps attachment point and the elbow joint is 5 cm ?
Q.1: ( \( \mathbf{2 5} \) pts.) A compression coil spring of \( \mathbf{3 . 5} \mathrm{mm} \) music wire, having an outside diameter of 22 mm , has 8 active coils. The end coils are plain and ground. Determine (a) its solid length (b) the maximum stress and (c) the maximum deflection caused by…
Exam 4. (6 Points) An axial force P=P^(')=90kN is applied to the link as shown. Determine the factor of safety if the ultimate tensile strength of the material is 600 MPa . Note that the average stress must be computed across the narrowest section: \sigma _(eve )=(P)/(t)d, where t
Question 49 What is the RMS voltage at a common household electrical power outlet? 82.7-V Ac 165.5-V Ac 331-V Ac 117-V AC
Q2: F=2500N load is applied to a flat belt - pulley system in order to provide to tighteen the belt as shown in figüre. Diameter of the pulley d= 250 mm ; width of belt b =150mm; thickness of belt: t=5mm, friction factor M=0,3 angle =180\deg and pulley rotates N=1000rpm,=95000(N)/()…
k_(t) ks=3000(N)/(m);cs=400N(s)/(m);M=200kg;m=20kg;k_(t)=2500(N)/(m)u(t) x(t) f(t) b. Obtain the transfer functions G(s)=U(s)/(F)(s) and H(S)=x(s)/(U)(s) c. Find the natural frequency of suspension (undamped condition). d. Assume the car is moving at high speed and encounters a deep pothole.…
d) (12(V)/(m))i=(12(V)/(m))j 9. In the figure, a window in a uniform electric field of magnitude E=10\times 10^(7)(N)/(C). The frame of the window is aligned perpendicular to the field. The electric flux through the window is a) 4\times 10^(2)N*(m^(2))/(C) b) 2\times 10^(6)N*(m^(2))/(C) c)…
from coordinates to vectors A=(3cm,3cm) B=(-1cm,-2cm) C=(4cm,-5cm) D=(-6cm,7cm) E=(0cm,8cm) F=(2cm,0cm) G=(-5cm,0cm) H=(0cm,-9cm) I=(5cm,1.5cm) J=(-4cm,-10cm)
El agua a 20\deg C fluye a 30ga(l)/(m)in a través del codo de tubo doble de 0.75 pulgadas de diámetro de la figura. Las presiones son P_(1)=30lb(f)/(i)n^(2) y P_(2)=24lbf /in^(2). Calcule el momento en el punto B necesario para evitar que la tubería gire.
A=26.4m,B=42.2m,C=27.8m,D=18.0m angles ^(()()\alpha )=55\deg ,\beta =32\deg ,\gamma =15\deg ,\delta =24\deg sSin30\deg =0.5vec(A)A_(x),A_(y)=
A turboprop engine provides a propeller thrust of 70kN at a flight velocity of 80(m)/(s). The propeller efficiency is \eta _(prop )=0.80. The mechanical efficiency of the free power turbine driving the propeller is \eta _(mech )=0.98. The air mass flow rate entering the engine is…
The clamp is subjected to a force F=175lb at the handle. Determine the clamping force at E .
Calculating the magnetic field due to a straight current carrying wire of length 2 L at a distance d away from its center: Questions below demonstrate how to solve this question using Biot-Savart Law correctly. A random dl is selected on the wire. In the Biot-Savart law expression vec(dB)=(\mu…
Suppose ,\zeta -=0\zeta _(e) 10%. Whats the amount of mass to be added in terms of primary mass to achieve this damping ratio. \zeta _(e)=((()/(bar) (m)))/(2)\sqrt(1+((2\zeta )/((()/(bar) (m)))+(1)/(2\zeta _(d)))),widehat(u_(d))=((1)/(2\zeta _(d)))hat(u) Where m is the mass ratio hat(u) is…
Help me with this all parts of this question please. Show all work.
\[ V=\cos \theta . \] 3- A closed, rigid tank fitted with a fine-wire electric resistor Is filled with R-134 mixture, Initially at -10 C, a quality of \( 80 \% \), and a volume of \( 0.01 \mathrm{~m}^{3} \). A 12 -volt battery provides a 5 -amp current to the resistor for 5 minutes. If the…
How is water involved in the process of hydrolysis? Multiple Choice A water molecule speeds up the reaction. A water molecule is released. A water molecule is consumed.
Show that the flow speed in the picture below is V=(a)/(2). (d) V=(a)/(2)
Q1: A shaft is loaded as shown in Figure below. A electric motor of 9 kW capacity is conneted to one end of the shaft and efficiency of electric motor is 80%. The shaft rotates at N^(2)-80rpm. Yield stress of the shaft materials in tension is 300MPa. Find the minimum safe diameter of the shaft…
Question 2: A tornado can be idealized as a Rankine vortex with a core of diameter 30 m . The gauge pressure at a radius of 15 m is -2000(N)/(m^(2))2000(N)/(m^(2)) below atmospheric5485(m^(2))/(s). [Hint: Apply the Bernoulli equation between infinity and the edge of the core.] b25(m)/(s)…
Soru 1: Iç direnci, R_(c)=120\Omega olan bir galvanometrenin üzerinden I_(c)=6mA akımı geçtiğinde galvanometrenin ibresi tam sapmaktadır. a) ( 15 puan) Ampermetrenin ibresi maksimum saptgönda R direnci üzerinden gecen akm 54 mA ise R , yan yol direnci ne olur? b) ( 15 puan) Galvanometre ibresi…
3. ( \( \mathbf{3 0} \) minutes) A film of liquid with a constant thickness of \( d \) and width of \( w \) flows down on an inclined plate as shown in the figure below. The liquid has density of \( \rho \) and viscosity of \( \mu \). a. Obtain an expression for the velocity distribution \(…
The state of stress (in MPa ) at a point is shown in the figure. It is known that Iy=-7.275\times 10^(5) MPa^(3),\sigma _(\mu )=147.7127MPa and \tau _(mar )=126.2246MPa at this point. a.- Find \sigma and r and write down all the stress components at the point with the correct signs and…
need help solving question 3.
[12] Question 2 2.1The locomotive in one of the Mpumalanga coal mine transports 120 carriages in a day from 08 h 00 to 17 h 00 . On the 10^(th ) June 2025, maintenance audit was conducted to assess the one day performance of this equipment and the following outcomes were reported: System…
In which pneumatic distribution system can heavy upstream demands create air shortages at downstream points of use, resulting in uneven distribution? Select one: A. Dead-end system B. Loop system C. Decentralized system D. Single flow system E. None of the above
9. İki rijit tank bir vana ile bağlanmıștır. Tank A izole edilmiștir ve \( 0.2 \mathrm{~m}^{3} \) hacminde 400 kPa ve \( \% 80 \) kuruluk derecesinde buhar içermektedir. Tank B izole edilmemiștir ve 200 kPa ve \( 250^{\circ} \mathrm{C} \) 'de 3 kg buhar içermektedir. Bu anda vana açılmaktadır…
For the two systems shown a) Develop models representing each system b) Show the state space representation of the systems ->rhoQ_(i)(11)->(21)->(4)->
(a) The state of plane stress at a point is represented on the element as shown in Figure 6. By using formula, calculate: (i) The state of stress on the plane if the element is rotated at an angle \( \theta=60^{\circ} \) clockwise. [12 Marks] (ii) Maximum shearing stress. Solve it please using…
Determine the moments of inertia of the Z-section about its centroidal x_(0) - and y_(0)-axes. Answers: I_(x_(0))=i,(10^(6))mm^(4) I_(y_(0))=,(10^(6))mm^(4)
SORU 4 ( 25p ): Şekil 4'de boyutları ve yükleme durumu verilen çerçeve sistemin eğilme rijitliği EI dır. A noktası ankastre, C noktası kayıcı mesnettir. a) D noktasındaki düşey yer değiştirmenin (\delta _(b))5mm değerini aşmaması istenmektedir. Buna göre,sadece eğilme etkisini göz önünde…
Problem 3 A school bus is traveling on a straight road at 15.0((m))/((s)) when the driver decided to increase its speed. It speeds up with a constant acceleration of 2((m))/(s^(2)) for 4 seconds. After the period of acceleration, the bus maintains its speed. i. Draw a graph of velocity (v)…
Which of the following statements are true regarding nicotine gum? L. Initially, patients should chew one piece of gum per hour. II. It is encouraged to swallow saliva while chewing nicotine gum to aid absorption. III. Patients are encouraged to drink coffee while chewing nicotine gum. IV.…
Question #3 (Refer to Chapters 18 and 19 for this problem) The wing on a Piper Cherokee general aviation aircraft is rectangular, with a span of 9.75 m and a chord of 1.6 m . The aircraft is flying at cruising speed of 141 mph at sea level ( \rho =1.225k(g)/(m^(3)) and \mu =1.7894\times…
a) A vector ' V ' and a second order tensor ' T ' are given as: 7 7=14, COI V=4e_(x) 1e_(y) 2e_(z);,T=1e_(x)e_(x) 3e_(y)e_(y) 4e_(z)e_(z) 2e_(x)e_(y) 8e_(y)e_(x) If y and z-axes are rotated by 90\deg about the x axis what will be the various components of the vector and the tensor with respect…
In terms of vectors x and y, find these vectors. vec(AB) b vec(AC) vec(CB)
QUESTION 2 A steam power plant that operates on an ideal re-heat regenerative Rankine cycle; has an open feed water heater and a closed feed water heater. Steam enters the turbine at 10 MPa and 500\deg C is condensed in the condenser at 10 kPa . Some steam is extracted from the high-pressure…
Course Contents >> Homework 9 >> \( \mathbf{1 1 . 7 1} \) - Pressures in the Body Heroes in movies hide beneath water and breathe through a hollow reed (villains never catch on to this trick). In practice, you cannot inhale in this manner if your lungs are more than 60.0 cm below the surface.…
QUESTION 1 [23] A four cylinder, two stroke 2.0L. Diesel engine that operates on an ideal Diesel cycle has a compression ratio of 22 and a cut-off ratio of 1.8 Nitrogen which is the working fluid is 70\deg C and 97 kPa at the beginning of the compression process. Using alr standard assumptions,…
Q.4.: ( \( \mathbf{2 0} \) pts.): The figure shows a bracket machined out of steel having \( S_{\text {ut }}=\mathbf{6 0} \) kpsi ; the bracket has a rectangular cross sectional area of \( 0.5 \mathrm{in} \times 1 \mathrm{in} \) and subjected to the variable loading shown. Calculate the fatigue…
A 3.8 kg block is attached to a vertical spring and put into oscillation with amplitude 14.8 cm . At t=0s, the block is at 5.4 cm above equilibrium and has velocity 30c(m)/(s) moving towards the equilibrium. [Answer in 3 significant figures] Prob 1.pdf darr a) [4 pt] Determine the angular…
Durkheim claimed that in order to reduce excessive control of citizens and stagnation in creative thought, there has to be deviation from established moral boundaries in society, especially societies in the more ◻ stage. industrial micturicat postinduntial Niatorio
Determine the force in each member of the space truss shown.
Which of the following changes would increase the magnitude of the gravitational field intensity (g) an object feels when near a planet? (A) increase the mass of the object (B) increase the mass of the planet (C) decrease the spin rate of the planet (D) decrease the separation between object…
A gasoline engine operates according to an ideal Otto cycle. Air enters the engine at 100 kPa and 27 C . The compression ratio for this engine is 11 . We would like to obtain a net work output of 525.5k(J)/(k)g. Find: a) The amount of heat (in k(J)/(k)g ) we need to supply during the combustion…
A 10 kg slender rod of length Z is attached to sotters which can slide freely aloeg the guiles shown. Knowing that the rod is in equilibrium and that \beta =25\deg , determine ( a ) the angle \beta that the rod forms with the variful, (b) the reactions at A and B.
Homework Question 9: 2-29 Consider a meditern fo which the heat condsction equation is given in its simplest form as (1)/(r)(del)/(delr)(kr(delT)/(delr)) (del)/(delk)(k(delT)/(delk)) e_(pm)=0 (a) Is heat transfer sleady or transienc? (b) Is heat transfer one, two, or threedimensional? (c) Ts…
Question 3 (40 points) The wheel is spinning about shaft AB with an angular velocity of \omega _(s)=5ra(d)/(s), which is increasing at a constant rate of \omega _(x)^(˙)=3ra(d)/(s^(2)), while the frame precesses about the z axis with an angular velocity of \omega _(p)=10ra(d)/(s) which is…
A wood beam E_(w)=9GPa,150-mm wide by 250-mm deep, has an aluminum plate E_(a)=72GPa, with a net section 70-mm wide by 15-mm deep securely fastened to its bottom face, as shown below. Dimensions are given in millimeters. The beam is subjected to a bending moment of 30kN*m around a horizontal…
Un codo en ángulo desvía hacia abajo agua que fluye constantemente a razón de 0.16(m^(3))/(s), como se muestra en la figura. Para D=30cm,d=10cm,yh=50cm. Determinar el momento que se genera en la brida de unión del codo y la tubería. Considerar un volumen interno del fluido del codo como…
Soru: Buharlı bir güç santrali, ideal-ara ısıtmalı ara buhar almalı Rankine çevrimine göre çalışmaktadır. Çevrimde bir ara ısıtıcı, biri kapalı diğeri açık olmak üzere iki besleme suyu ısıtıcısı bulunmaktadır. Su buharı yüksek basınç türbinine 15 MPa basınç ve 600\deg C sıcaklıkta, alçak basınç…
A flywheel consists of a uniform steel disk of diameter 0.3 m and thickness of 0.1 m . This flywheel is used in a car as a means of energy storage and propulsion and is connected to the drivetrain which has an efficiency of 0.92 . a) If the car requires 8 kW of power to cruise at 70 mph on a…
Homperokk Question 8: r(d^(2)T)/(dr^(2)) 2(dT)/(dr)=0 (c) Is there heal pensorative in the modium? (d) Is the thermal coolactivity of the modium ovoulant or variable?
A string of length L=8m is connected to a wall at both ends. The tension on the string is T_(0)=8*10^(3)N and the mass density is \mu =10g(r)/(m). The string is vibrating in the first harmonic. The maximal height of the string at a point 2m away from the wall is y(2)=0.2m. a. What is the…
An object is dropped and freety falls to the ground with an accoleration of 1 g , If it is thrown upward at an angle instead, its acceleration will be select one: A - toooor lhan 19 A. 0 g . C. 19 upward. D. 1 odownmate I. none of these
A weight W=2kN is supported by a cable that passes over frictionless pulleys at D and F. The cable is attached to a winch at G, and cable segment DG is vertical. Member ABC is built in at A, and members ABC,DCEF, and BE are attached using pins at points B,C, and E. Neglecting the weights of…
A system with natural convection shall be used for heat rejection of an Intel Atom N270 chip (see. Figure 1). Maximum heat generation rate for the N270 is reported to be 2.5 W . Passive cooling shall be achieved with a rig that consists of fins with rectangular cross section each with a height…
#38 This is a traveling wave question, there are concepts inherent within the question you must understand to complete the question. You are sitting in a fishing…
14. It takes 20 N of force to stretch a spring 5 cm from equilibrium. A mass of 4 g is suspended from the spring initially at rest in equilibrium and is let go. Find 𝑥(𝑡) – the displacement from equilibrium at 3me t as a single sine func3on. Leave all quantaties exact.
Scooby sits quietly in the center ring, listening to two loudspeakers that are playing a spooky melody in phase. One speaker is located 4.0m in front of and 3.0 m to the left of Scooby’s left ear. The other speaker is 5.0m in front of and 6.0 m to the right of his right ear. What is the longest…
A beam of charged particles consisting of protons, electrons, deuterons, and singly ionized helium atoms and H2 molecules all pass through a velocity selector, all emerging with speeds of 2.5 106 m/s. The beam then enters a region of uniform magnetic field B 0.40 T directed perpendicular to…
7-3. In measuring the maximum intensity of a certain diffraction line with a sealer, 2048 pulses were counted in 1.9 sec. When the "diffraction background" a few degrees away from the line was measured, 2048 pulses were counted in 182 seconds. The average counting rate determined over a long…
If a 350 kg block is on a horizontal surface. Coefficient of kinetic friction is 0.4 and coefficient of static friction is 1.1. If the block is connected through a pulley (frictionless and massless) to a hanging mass of 450 kg, how fast will the block be moving once its displacement is 4…
[T] A force FF of 40N40N acts on a box in the direction of the vector OP→,OP→, where P(1,0,2).P(1,0,2). Express the force as a vector by using standard unit vectors. Find the angle between force FF and the positive direction of the x-axis.
A pigeon has two relatively small legs, while an elephant has four massive legs. The question is can you scale a pigeon to the size of an elephant? How about an elephant to the size of a pigeon? Use what you know about stress to make an argument for each.
76. An air traffic controller notices two signals from two planes on the radar monitor. One plane is at altitude 800 m and in a 19.2-km horizontal distance to the tower in a direction 25°25° south of west. The second plane is at altitude 1100 m and its horizontal distance is 17.6 km and 20°20°…
Two unknown resistors are connected together. When they are connected in series their equivalent resistance is 15 Ω. When they are connected in parallel, their equivalent resistance is 3.3 Ω. What are the resistances of these resistors? Hint: Here you need to use Alegbara to solve two questions…
A billiard ball is moving in the x-direction at 25.0 cm/s and strikes another billiard ball moving in the y-direction at 40.0 cm/s. As a result of the collision, the first ball moves at 60.0 cm/s, and the second ball stops. In what final direction does the first ball move? Option A in the…
pair of five kilogram (5kg) masses of equal surface area are placed side by side. They have temperatures of 85 and 170 Celsius degrees respectively. Which of the following statements is false (i.e.not true) (a) The black body spectrum of the hotter object peaks at shorter wavelengths than the…
object's acceleration is necessarily true? A) The value of the acceleration is positive. B) The direction of the acceleration is in the same direction as the displacement. C) An object that is decelerating has a negative acceleration. D) The direction of the acceleration is in the direction…
A rookie quarterback throws a football with an initial upward velocity component of 13.0 m/sm/s and a horizontal velocity component of 20.0 m/sm/s. Ignore air resistance. How does this compare with the time calculated in part A.
Which of the following statements about the photoelectric effect are true? The intensity of the light beam does not affect the photocurrent.The kinetic energies of the emitted electrons do not depend on the light intensity.A weak beam of light of frequency greater than the threshold frequency…
6. An airplane flying at 257 mi/h due east makes a gradual turn following a circular path to fly south. The turn takes 15 seconds to complete. What is the magnitude of the centripetal acceleration during the turn? can you do this step by step.
Which of the following statements are correct about the situation described in the introduction? Check all that apply. The loudspeaker is in static equilibrium.The loudspeaker is in dynamic equilibrium.The loudspeaker is not in static equilibrium, because it is not on the ground.The loudspeaker…
What is inertia? Select all the correct answers from the list below. Question 26 options: My inability to get out of bed in the morning unless someone comes by and physically lifts me up. An object's tendency to accelerate when the friction coefficient is larger than the object's mass. Inertia…
How does Einstein's view of time compare with Newton's view? Group of answer choices In Newton's model the passage of time is different near a large mass than when away from a large mass. In Einstein's model this is untrue. In Einstein's model the passage of time is different near a large mass…
You leave the block of ice oscillating to go grab a cup of coffee. When you return, you find that the block of ice has stopped moving and is now sitting motionless at the equilibrium position. You check the security camera and verify that nobody went into the building to stop the block while…
Required information C А с C2 B Cg Here, C1 = 3.40 uF, C2 = 1.20 uF, C3 = 3.00 uF, and X = 24 V. What is the capacitance of unknown capacitor C
Assume the first law of thermodynamics is given as delta U is equal to Q minus W. A system is taken from state 1 to state 2 (each with corresponding pressure, temperature, and volume) in a variety of ways. Which of the quantities in the first law of thermodynamics will be the same in all of the…
Select the correct statements that summarizes the physical fact about resistors. (1) The current is the same through all the resistors. (2) The individual potential differences are directly proportional to the individual resistances. (3) The total potential difference equals the sum of the…
How do you think the vertical velocity of the ball at launch will be different compared to when it was launched at a 65 degrees angle? Will its new ver-cal velocity be bigger, smaller, or the same size as its ver-cal velocity was for a 65 degree angle?
#22 A massless rigid beam is held in place at a pivot point at its leftmost edge. A mass of 17 kg hangs 6 meters from the pivot point. What force must be…
#34 If the system contains 24.2E22 atoms of an ideal gas, how much energy is needed to raise the temperature by 24.4 K (J)?
How will the total amount of energy of a particle change as the particle is accelerated to the speed of light? Question 11 options: The total energy will not change. The total energy will increase. The total energy will decrease. The total energy will be constant until c, then it will…
All an object is a projectile motion with upward being positive with no resistance The horizontal components of the velocity remains constant and vertical component of the to acceleration is equal to zero the horizontal component of velocity remains continent horizontal component acceleration…
A particle traveling through space is speeding up because of a 180 N force acting in its direction of motion. All of a sudden, the particle encounters a second force of 180 N in the opposite direction of the first force. With both forces now acting on the particle, what happens? The particle…
A firm's markup rule can be described by the formula Part 2 A. Upper M equals left parenthesis 1 plus eta right parenthesis Upper Q nbspM=(1+η)Q . B. Upper M times Upper V equals Upper P times Upper YM•V=P•Y . C. Upper E equals Upper M times Upper V squared nbspE=M•V2 . D. Upper P equals left…
If the xx component of this vector is 12 mm, the magnitude of the vector is greater than 12 mm.equal to 12 mm.less than 12 mm.the same as the yy component of the vector.
Thermal radiation a) cannot be transferred in a vacuum. b) is transmitted more efficiently in a vacuum. c) is proportional to the square of the emitting medium temperature. d) is proportional to the fourth power of the emitting medium temperature.
Object A (mass m) and object B (mass 2m) are initially at rest a certain distance from each other. Object A exerts a force on object B, and object B exerts a force on object A. These forces have the same magnitude, and each force attracts one object to the other. No other forces act on either…
A 2,500-kg car is sitting at rest in a parking lot. A bike and rider with a combined total mass of 60 kg are traveling along a road at 10 km/h. Which system has more inertia? Why? Question 17 options: The bike has more inertia because its mass is less than the mass of the car. The bike has more…
A nike cruise ship takes 20.8 h to go upstream from luxor to aswan a distance of 216km and 19.2h to make the return trip downstream assuming the ships speed relative to the water is tge same in both cases calculate speed of tge current
4 Calculate the velocity of a proton whose kinetic energy is twice its rest energy
What is the apparatus that reads a contacting point displacement through changes in electrical property of the measuring device? (a) laser interferometer, (b) optical flat, (c) dial indicator, (d) liner variable differential transformer, (e) vernier caliper, (f) acoustic emission transducer.
Predic-on 3: How do you think the horizontal velocity of the ball at launch will be different compared to when it was launched at a 65 degrees angle? Will its new horizontal velocity be bigger, smaller, or the same size as what its horizontal velocity was for a 65 degree angle?
Which has more thermal energy: a cup of very hot tea (approximately 50\deg C or 122\deg F) or a bathtub full of warm water (approximately 30\deg C or 86\deg F)? Answer Unselected We can not tell from this information. Unselected The cup of hot tea Unselected The bathtub of warm…
In Newton's model of an infinite universe with stars distributed smoothly throughout, an individual star would feel: Group of answer choices equal forces pulling in every direction, resulting in no net force. a preponderance of force pulling it toward the center of the universe. a preponderance…
If you wanted to measure the average temperature of a planet or moon, which of the following mission profiles would be the easiest approach? Group of answer choices Send a lander with a thermometer Send a rover with a wide-field camera Send a flyby to measure infrared radiation Send an…
Consider what happens when you jump up in the air which of the following is the most accurate statement since the ground is stationary it cannot exert the upward force necessary to propel you in the air be when you push down on the earth with a fourth greater than your weight the Earth will…
Object Speeds The speed of objects orbiting the Sun is [ Select ] ["faster at aphelion, when they are farthest from the Sun", "faster at perihelion, when they are closest to the Sun", "the same no matter where they are in their orbit"] . Accordingly, Earth moves faster through…
Podrias decirme donde se encuentran los esfuerzos maximos en esta figura (si es posible conprobar con solodworks)
47. 왼쪽 끝 (x=0) 이 고정되고 오른쪽 끝이 자유로운 길이 L 의 균일한 외팔보가 있다. 단위 길이 당 하중이 w(x)=(2w_(0))/(L)[(L)/(2)-x+(x-(L)/(2))U(x-(L)/(2))] 로 주어질 때, 휨 y(x) 를 구하여라.
A metal sphere hangs from a string and has 2 kg of mass. The sphere has a charge of 5.7 pC. A unillorm electric field is turned on and directed to the right. (a) Which way does the sphere move? ◻ left right (b) What is the electric force on the metal sphere if the magnitude of the electric…
Practice Final Exam 12 Points) The cross-section below is subjected to a positive bending moment, M, about a orizontal axis. Determine the largest bending moment M that can be applied without exceeding ither of the following allowable stresses: \sigma _(all )= 5ksi,\sigma _(all )=-14ksi. /bar…
The compound cylinder shown below with a=160mm,b=190mm is fabricated from a hollow outer brass cylinder and a solid steel shaft by using a shrink fit process. For this assembly, the relationship between the shrinking allowance, \delta , and the interfacial pressure, p, is of the form p=c\delta…
A gas turbine operates under an ideal Brayton cycle with a perfect regenerator ( 100% effectiveness). The compression ratio for the compressor is 10 and the maximum temperature allowed for the turbine is 1200 K . Find: a) The net work output ( k(J)/(k)g ). b) The thermal efficiency of the gas…
(15-16) 길이 L 의 동일한 막대에 x=(1)/(2)L 에서 집중된 하중 w_(0) 가 닿고 있다. 그림 7.5.5 (문제15)와 그림 7.5.6(문제16) 참조. 라플라스 변환을 사용하여 주어진 경계값 조건에 대응한 미분방 정식 y(0)=0,y^(')(0)=0,y^('')(L)=0,y^(''')(L)=0, EI(d^(4)y)/(dx^(4))=w_(0)\delta (x-(1)/(2)L),0 을 풀어라. 15 y(0)=0,y^(')(0)=0,y^('')(L)=0,y^(''')(L)=0 그림 7.5.5 막대는 왼쪽 끝이…
Şekilde gösterilen AB çubuğuna P=10 kN'luk bir kuvvet uygulanmaktadır. BC çubuğunun burkulup burkulmadığını belirleyiniz. BC çubuğu, x-x ekseninde pim (basit) mesnetli, y-y ekseninde ankastre mesnetli olarak düşünülmektedir. Emniyet katsayısı n=2 ve elastisite modülü E=210 GPa'dır
14. The term describing the mass forces is important in the equation of motion for: a. Liquids b. Gases c. liquids and gases Justify your answer
An airplane flying due north at 90.k(m)/(h) is being blown due west at 50.k(m)/(h). What is the approximate resultant velocity of the plane? A. 140k(m)/(h) B. 120k(m)/(h) C. 103k(m)/(h) 0.82k(m)/(h) E. 40k(m)/(h)
Find the potential difference between point a and point b for the situation shown below. Here \epsi _(1)=12.0V,\epsi _(2)=8.77V and R_(1)=4.33\Omega , R_(2)=5.04\Omega , and R_(3)=2.08\Omega . V_(a)-V_(b)=
I already have the angle theta. can you please show a and b in diagram with angle theta.
10 An aluminum plate which had a 0.8 in . diameter hole in the middle, failed when it was subjected to a 40 ksi tensile stress. Post mortem of the failure indicated brittle fracture due to presence of a sharp crack, which was located in the perpendicular direction to the reference stress. The…
A force of P=10 kN is applied to the AB bar shown in the figure. Determine whether the BC bar is buckled or not. The BC bar is considered to be pin (simple) supported in the x-x axis and fixed supported in the y-y axis. The safety factor is n=2 and the modulus of elasticity is E=210 GPa
d) Se tienen dos partículas fijas, una carga \( q 1=-2 q \) y otra carga \( q 2=8 q \), con una distancia D. entre ambas como se muestra en la fig1. ¿En qué punto que no esté infinitamente lejos y sobre el eje \( X \) puede ponerse un protón para que este se encuentre en equilibrio…
The A-36 steel bolt is required to absorb the energy of a 3-kg mass that falls \( h=25 \mathrm{~mm} . E=200 \mathrm{GPa} \). Part A If the bolt has a diameter of 6 mm , determine its required length \( L \) so the stress in the bolt does not exceed 170 MPa . Express your answer to three…
The RC circuit shown in the figure has resistance of R=5,8k\Omega and the capacitance of C=4,7\mu F. The capacitor is initially charged at a voltage V_(0)=31,6V at t=0,when the switch is closed. How long does it take for the current running in the circuit to go down to 53% of its initial value?…
If \omega _(2)=20ra(d)/(s) CCW as shown in Figure Q2, find the angular velocity of link 6 . D {(:[OA=10,cm]),(,:m),(,:m),(,:m),(,:m),(,;cm):}
k(J)/(k)g k(J)/(k)g M_(air )=28.97k(g)/(k)mol;R_(air )=0.2870k(J)/(kg-K) with variable specific heats.
for the following system calculate: a. pump efficiency b. theoretical torque required to operate the pump. (Note: XX is the last tow numbers from your university number)
A roller of (total) mass 2.3 kg consists of two disks of radius 0.43 m joined via an axle of radius 0.18 m , shown in side view. The moment of inertia of the roller is 0.315kg*m^(2). A light string is wrapped around the axle, and a tangential force vec(F) of magnitude 13.3 N is applied to the…
QUESTION 2 - [24 marks] A barge with rectangular hull has an un-laden mass of 6601 tons with a length =140m, breadth =23m and a height =14m. The barge is loaded with two different cargos. The first cargo is loaded on top of the deck of the barge and increases the draft in sea water by 4…
Draw the Shear force and Bending Moment diagrams for the beam. Problem 2 (10) Draw the shear force and bending moment diagrams for the beam supported and loaded as shown in the figure below. Partial credit will be awarded if deserved, but no more than half credit will be awarded if the…
Consider a gas turbine with an intercooler, a reheater and a regenerator. This turbine has a two stage compressor as well as a two stage turbine. For both the compressor and turbine, each stage has a pressure ratio of 3.5 . Note how it says each stage, not total pressure ratio. The compressor…
#3 (20점) 그림 3에 주어진 회로에서 캐시터 20 mP 에 부펴되는 전압 v(t) 를 구하시오. 그립 3
1 ( 35% ) A helically wound fiber-reinforced cylindrical pressure vessel is subjected to an internal pressure of 1.0 MPa . The cylindrical shell has an inner radius of 100 mm and a wall thickness of 1 mm . The strengths of the composite material are: x_(t)=x_(c)=1500MPa,Y_(t)=80MPa,Y_(c)=190MPa…
Draw Bending Force and Moment deagram, N+0x=d, undiosth =N,1 twe =(29)/(N+0)
please answer this question, Figure Q1 shows a rectangular flat plate with length of a, width of b, and thickness of h is subjected to a uniform pressure p_(o). The plate is regarded as simply supported plate. By using Navier's approach, determine the expressions for the: a) deflection, and b)…
[Rolerences] Identify the indicated faces in the molecules below as Re or Si. side a: side b: side a: side b:
A proper way to drive a screw using a screwdriver into a workplece is to hold the workpiece In a vise In your strongest hand On your lap With a pliers
LIST OF FORMULA 2 Mx^(¨)=-F_(n) (d^(2)x)/(dt^(2))=-(F_(0))/(M) (dx)/(dt)=-(F_(0))/(M)t+C_(1) t_(FINAL)=(MV_(0))/(F_(0)) P_(M)=386t^(1.86)b^(0.14)\sigma _(Y)^(0.57) P_(MAx)=2.87P_(M) P_(1)=1.42P_(M) P_(2)=0.57P_(M) where: P_(M)= Static mean crush force (N) P_(MAx)= Maximum crush force (N) P_(1)…
1 Required information A 1100-kg block B slides without friction inside a slot cut in arm OA which rotates in a vertical plane. The rod has a constant angular acceleration \theta ^(¨)=10ra(d)/(s^(2)). Know that when \theta =45\deg and r=0.8m, the velocity of the block is zero. ◻ Determine the…
The largest allowable length L is ft. Two L4 \times 3\times (3)/(8)-in. steel angles are welded together to form the column AB. An axial load P of magnitude 16 kips is applied at point D. Using the interaction method and an allowable stress in bending of 22 ksi , determine the largest allowable…
Question 18 How many mm^(3) are in 16.7cm^(3) ? 1.67\times 10^(-5)mm^(3) 1.67\times 10^(-8)mm^(3) 1.67\times 10^(7)mm^(3) 1.67\times 10^(4)mm^(3)
A \( 1,100-\mathrm{N} \) uniform boom at \( \varphi=55.5^{\circ} \) to the horizontal is supported by a cable at an angle \( \theta=34.5^{\circ} \) to the horizontal as shown in the figure below. The boom is pivoted at the bottom, and an object of weight \( w=2,450 \mathrm{~N} \) hangs from its…
Şekildeki T profiline, A noktasında z doğrultusunda P çeki kuvveti uygulanmaktadır. Emniyet gerilmesi \sigma _(emn )=2000(N)/(c)m^(2) olduğuna göre kesitin güvenle taşıyabileceği P kuvvetini hesaplayınız. (Not: Kuvveti ağırlık merkezine taşımayı unutmayınız.)
1 Required information A 75-lb collar released from rest in the position shown, slides down the inclined rod, and compresses the spring. The direction of motion is reversed and the collar slides up the rod. The maximum deflection of the spring is 5 in. Consider l=18in. ◻ Determine the maximum…
Which equation below best describes the relationship between vec(v)_(2),vec(v)_(2), and \Delta vec(v) ? A) vec(v)_(2) vec(v)_(2)=\Delta vec(v) B) vec(b)_(1) \Delta vec(u)=vec(u)_(2) Cvec(v)_(2) \Delta vec(v)=vec(v)_(1)
Problem 3: A beam AB of span 8 metres is simply supported at the ends. It carries a uniformly distributed load of 30k(N)/(m) over its entire length and a concentrated. Load of 60 kN at 3 metres from the support A. Determine the maximum deflection in the beam and the location where the…
Problem 8. Consider the following refrigeration system: The working fluid is R-134a. The refrigerated space is maintained at \( -5^{\circ} \mathrm{C} \) by this system. The condenser is water cooled. \( 0.13 \mathrm{~kg} / \mathrm{s} \) of water enters the condenser at \( 20^{\circ} \mathrm{C}…
Question 1 (1 point) ✓ Saved What is the main action the EPA is proposing? Strengthening emissions standards Expanding renewable energy subsidies Introducing carbon taxes on power producers Eliminating limits on greenhouse gases from coal and gas-fired power plants
PROBLEM # 1 ( 65 points) Bearing reactions R_(1) and R_(2) are exerted on the shaft shown in the figure, which rotates at 950re(v)/(m)in and supports an 8 -kip bending force as shown in the figure. The shaft is made of 1095 HR steel and its surfaces are machined. Determine a diameter d for a…
The diver leaves the platform with an initial upward speed of 2.8(m)/(s). A stationary camera on the ground is programmed to track the diver throughout the dive by rotating the lens to keep the diver centered in the captured image. State the values of \theta ^(˙) and \theta ^(¨) at the instant…
In the design of a domestic roof structure, beam are to be simply supported, and carrying forces as shown in Figure 2 below. These beams are to be made of timber that has an allowable bending stress of \sigma _(allow )=7.5MPa and an allowable shear stress of \tau _(allow )=0.6MPa. i. Draw a…
P=6kN,a=1m. Simply supported beam in Figure. Determine the maximum deflection of the beam. E=200GPa.
QUESTION 2 - Aerodynamics A savonius wind turbine rotor constructed from two halves of a 175 litre drum as shown in Figure 2 is used for renewable energy generation. The drum is has a diameter of \( \mathbf{5 0 0 ~ m m} \) and a height of \( \mathbf{9 0 0 ~ m m} \). The drag coefficient for the…
\mu Consider the cylindrical conductor with a hollow center and copper wals of thickness b-a as shown. The radil of the inner and outer walls are a and b respectively, and the currert I is uniformly spread over the cross section of the copper (shaded region). What is the magnitade of the…
Take w=720(N)/(m). (Figure 1) Figure 1 of 1 Part A Determine the normal force at a section passing through point D of the two-member frame. Express your answer to three significant figures and include the appropriate units. Request Answer Part B Determine the shear force at a section passing…
F. Follow the steps you learned today to determine the three currents in the circuit on the right. G. What is the power used by the entire circuit? (Hint: batteries supply power when the current runs through them in the direction you would expect, and they use up power when the current runs…
If l=0, which of the following may be true? Answer: A n=6 0 m_(l)=-1 c. m_(l)=1 D m_(s)=11 E m_(s)=10
(b) The solid shaft is made of A-36 steel as shown in Figure 4 has a diameter of 200 mm and is supported by bearings at A and D, which allow free rotation. Determine the angle of twist of gear \( C \) with respect to \( B \).
The tube has an outside diameter of 3.9 in ., a wall thickness of 0.11 in ., and length dimensions of a=17in. and b=9in. The load magnitudes are P_(x)=940lb,P_(y)=470lb, and P_(z)=610lb. Determine the principal stresses on the underside of the tube at point H, and show these results on a…
Beam \( A B \) is supported as shown in the figure. Tie rod (1) is attached at \( B \) and \( C \) with double shear pin connections, while the pin at \( A \) is attached with a single shear connection. The pins at \( A, B \), and C each have an ultimate shear strength of 67 ksi , and tie rod…
Question 1: a(u)/(U)=a+b(y)/(\delta ) to evaluate the boundary-layer thicknesses \delta ,\delta ^(*), and \theta and the surface shear stress \tau _(0) for flow over a flat surface. b(u)/(U)=a+b(y)/(\delta )+c((y)/(\delta ))^(2)+d((y)/(\delta ))^(3)
A hiker is climbing a steep 14\deg slope. Her pedometer shows that she has walked 1500 m along the slope. Part A How much elevation has she gained? Express your answer with the appropriate units. h= ◻
Which of the following statements about the committee system are accurate? Correct Answer[i] Dreg apprepariste asswer|al have . q, Standing committees must be renewed each * legislative session. For each policy area, the standing Standing momaitnee have clear committees are representative of…
The robot arm is elevating and extending simultaneously. At a given instant, \theta =36\deg ,\theta ^(˙)=23de(g)/(s)= constant, l=0.52m,l^(˙)=0.25(m)/(s), and l^(¨)=-0.15(m)/(s^(2)). Compute the magnitudes of the velocity v and acceleration a of the gripped part P. In addition, express v and a…
Question 7 Problem 3 Part A. Use the devices below with the given operating conditions. The mass flow rate of the air is 2k(g)/(s). The mass flow rate of the refrigerant is 1k(g)/(s). If necessary, evaluate specific heats at 300 K . T_(1)=300K T_(3)=293K P_(4)=(7)/(b)ar…
Question 72 Select one answer (A to D) for each of the following. Which term means fainting? a. timitus t. Throope c. patior 4 themen Question 73
QUESTION 3-[22 marks] A vertical venturi is fitted to a pipe line with a 152 mm inside diameter conveying Jet fuel with a SP.GR of 0.8075 The throat diameter equals half the inside diameter of the pipe line. The vertical height between the tap of points on the venturi \( =245 \mathrm{~mm} \).…
Need help with these Digital Circuit Design questions. Full solution please.
A piston having a cross-sectional area of 0.07m^(2) is located in a cylinder containing water as shown in the figure below. An open U-tube manometer is connected to the cylinder as shown. For h_(1)=180mm and h=300mm, what is the value of the applied force, P, acting on the piston? The weight of…
Q2 QUESTION 2 Based on the Simple Structure surface construction given below, solve the all the forces and reaction forces on all 6 surfaces of the box structure
Assume the first law of thermodynamics is given as \( \Delta U=Q-W \). In this relationship, what does a positive value of Q represent? Heat, meaning the thermal energy of the system Heat, meaning energy being transferred out of the system by its environment The net electric charge in our…
\# 1 Suppose a plug-in electric vehicle has a 64 kWh battery. The energy consumption of the vehicle is \( 16 \mathrm{kWh} / 100 \mathrm{~km} \). a. If the battery is charged to \( 60 \% \) of its capacity, how many miles can be driven before recharging the battery? b. If you want to travel 200…
Write the 300 lb tension in cable AE as a vector.
( 8 points) For the beam and loading shown, determine the equation for the bending moment along the length, M(x). w=(w_(o))/(L^((1)/(2)))x^((1)/(2))
[30%] A pair of wedges is used to lift the crate as shown in Fig. 3. The crate has a weight of 1200 N , the wedge angle theta= 10^(@), the static friction coefficient between wedges A and B is 0.35, and between other surfaces is 0.10. Specify the minimum force P required to move the wedge to…
3 ( 35% ) Consider a graphite-reinforced polymer composite lamina, as shown in the figure, with following matrix and fiber material properties: E_(m)=2.6GPa,E_(f)=200GPa, (
A group of people protected from employment discrimination based on a specific characteristic or identity that they share is called a(n) intersectionality. diversity wheel. stereotype. protected class.
Review. From the set of equations p=3q pr=qs (1)/(2)pr^(2)+(1)/(2)qs^(2)=(1)/(2)qt^(2) involving the unknowns p,q,r,s, and t, find the value of the ratio of t to r.
3. İzole edilmiş bir piston-silindir cihazında 120 kPa sabit basınçta 0.8 L doymuş sıvı su bulunmaktadır. Silindir içinde bir elektrik direncine akım gönderilmektedir ve bu esnada yapılan elektrik iși 1400 kJ olarak verilmiştir. Çevre şartlarının \( 25^{\circ} \mathrm{C} \) ve 100 kPa olduğunu…
7.8 An end burning rocket employs DB propellant grain with a density of 1438k(g)/(m^(3)) and length of 245 mm , which produces 1.5 kN over 175 s with the characteristic velocity of 1250(m)/(s) and thrust coefficient of 0.98 . The pressure index n and burning constant of this propellant are 0.7…
Fundamental Problem 7.8 2 of 2 Determine the shear and moment as a function of x, and then draw the shear and moment diagrams. ( Figure 1) Figure 1 of 1 Part A Determine the shear as a function of x. Express your answer in terms of x, where x is in meters. V= kN Part B Draw the shear…
The initial temperature of air is 300K and the pressure ratio is 10 (It says compression ratio, but It is theA gas turbine operates under an ideal Brayton cycle with a perfect regenerator ( 100% effectiveness). The compression ratio for the compressor is 10 and the maximum temperature allowed…
Question 2. Consider a pump that is used for increasing the pressure of water in a piping system so that a fountain is created in a pool. The piping system is composed of 10 m of 0.045 m diameter commercial steel pipe, five long-radius flanged 90\deg elbows, and two fully open gate valves. If…
Class Problem (Phase Diagram): Make phase analysis of the equilibrium (ideal) solidification of lead-tin alloys at the following points in the lead-tin phase diagram. (a) At the eutectic composition just below 183\deg C (eutectic temperature). (b) The point c at 40%Sn and 230\deg C. (c) The…
3.58 Neglect the weights of the pulleys and the deviations of the rope from the vertical. The object A weighs 200 lb . Determine the force T necessary to support it. Problem 3.58
The route followed by a hiker consists of three displacement vectors vec(A),vec(B), and vec(C). Vector vec(A) is along a measured trail and is 1550 m in a direction 25.0\deg north of east. Vector vec(B) is not along a measured trail, but the hiker uses a compass and knows that the direction…
A vibrating structural component is subjected to alternating stresses as shown below: \sigma _(min)=[[-700,500],[500,-600]]MPa;,\sigma _(max)=[[300,700],[700,400]]MPa Apply the maximum distortion energy theory of failure together to compute: (a) Equivalent alternating and mean stresses: \sigma…
IV. Practice A. For the circuit on the right, pick a direction for the current in each branch. B. Label the ends of batteries and resistors with +/- to indicate which end is at a higher/lower electric potential. C. Write down Kirchoff's junction rule for half of the junctions (here, there are…
A rectangular gasoline tank can hold 53.0 kg of gasoline when full. What is the depth of the tank if it is \( 0.460-\mathrm{m} \) wide by \( 1.020-\mathrm{m} \) long? (Discuss whether this gas tank has a reasonable volume for a passenger car.) 71.9 L Submit Answer Incompatible units. No…
PROBLEM 6 An 8 - ft -long steel member with a W8\times 31 cross section is subjected to a 5 -kip * in. torque. The properties of the rolled-steel section are given in Appendix C. Knowing that G= 11.2\times 10^(6)\psi , determine (a) the maximum shearing stress along line a-a,(b) the…
Q.2. ( 25 points) :ideal Rankine cycle steam power plant shown in the figure is designed for specific operoting condistions. The high pressure in the cycle is set at 4800 kPa , while the low pressure is 10 kPa . To ensure efficient use of the steam and minimize energy loss in the form of liquid…
1 Required information For the beam shown, find the reactions at the supports and plot the shear-force and bending-moment diagrams. V1=30.00lb(f)/(i)n and V2=9.00in. What is the value of the peak moment between points C and D ? The peak moment M_(4) between points C and D is
Determine the equivalent force and moment system at A that would replace the distributed forces shown acting on the beam.
If vector vec(A) has unity magnitude and makes an angle of 30\deg with the x axis, then the x and y components of vec(A)…
Two cars A and B have masses of 1200 kg and 1160 kg respectively. They collide on the icy pavement of an intersection. The direction of motion of each car after the collision is measured from snow tracks as shown. Driver A states he was going \( 45.0 \mathbf{~ k m} / \mathbf{h} \) just before…
Mutual funds are marketed ◻ by fund underwriters and ◻ by broke indirectly, directly directly, indirectly indirectly, indirectly directly, directly
Alam and Bobby are twins who have the same weight. Alsm droys to the ground from a tree at the same time that Bobby If they bodh start as the same beight above the ground, how do their kinetic energies compare when they hit the grownd? They have the same kinetic energy. Bolby has greater…
Rotation of bar OA is controlled by the lead screw which imparts a horizontal velocity v=39m(m)/(s) to collar C and causes pin P to travel along the smooth slot. The velocity of collar C is decreasing at a rate of 5m(m)/(s^(2)) at the instant in question. Determine the values of r^(¨) and…
A simple and common technique for accelerating electrons is shown in the figure below, where a uniform electric field is created between two plates. Electrons are released, usually from a hot filament, near the negative plate, and there is a small hole in the positive plate that allows the…
Dos adolescentes halan unas cuerdas atadas a un árbol. El ángulo entre les cuerdes es 30,0\deg . David hala con una fuerza de 400,0Ny Stephanie hala con una fuerza de 300,0N. (a) Halle la forma de componentes de la fuerza neta. (b) Hatle la magnitud de la fuerza resultante (neta) sobre el árbol…
1. A GPS tracking device is placed in a police dog to monitor its whereabouts relative to the police station. At time t = 15 min, the dog's displacement from the station is 1.1 km, 33° north of east. After a little break, the dog continues to run for 20 min in the direction 75° north of east…
Locate the centroid of the plane area shown
Consider the RC circuit shown in the figure below. The resistance of the circuit is R=3,6k\Omega and the capacitance of the initially uncharged capacitor is C=3,3\mu F. If the emf of the battery the circuit is connected to \epsi =22,1V and the switch is closed at t=0, determine how long it…
Question 3 3.1 Bazola is a concrete manufacture based in Cape Town. The company is using the ball mill to crush the stones and conveyor belt to transport the crushed materials. What are the main problems this equipment will encounter in the long run and what could be the solution. Use the table…
Increasing the imaging depth will: Decrease the pulse repetition period Improve temporal resolution Decrease the pulse repetition frequency Increase the beam intensity
a) Escriba cada uno de los vectores de la figura 1.37 en términos de los vectores unitarios i - y j. b) Utilice vectores unitarios - 1 para expresar el vector C, donde C = 3.00Ă - 4.00B. c) Determine la magnitud y la dirección de C. b.) Dado dos vectores Á= 70.0\deg 4.00đ 3.00f y B = 5.00î -…
Find the location of the centroid of the two bodies.
Example - 3 weight pans and each pan is 5 kg - d is 18 cm - Forearm length is 30 cm in an equilibrium state, how much is the total applied moment by the upper arm muscles? How much force is spent by the biceps, If a displacement between the biceps attachment point and the elbow joint is 5 cm ?
Q.1: ( \( \mathbf{2 5} \) pts.) A compression coil spring of \( \mathbf{3 . 5} \mathrm{mm} \) music wire, having an outside diameter of 22 mm , has 8 active coils. The end coils are plain and ground. Determine (a) its solid length (b) the maximum stress and (c) the maximum deflection caused by…
Exam 4. (6 Points) An axial force P=P^(')=90kN is applied to the link as shown. Determine the factor of safety if the ultimate tensile strength of the material is 600 MPa . Note that the average stress must be computed across the narrowest section: \sigma _(eve )=(P)/(t)d, where t
Question 49 What is the RMS voltage at a common household electrical power outlet? 82.7-V Ac 165.5-V Ac 331-V Ac 117-V AC
Q2: F=2500N load is applied to a flat belt - pulley system in order to provide to tighteen the belt as shown in figüre. Diameter of the pulley d= 250 mm ; width of belt b =150mm; thickness of belt: t=5mm, friction factor M=0,3 angle =180\deg and pulley rotates N=1000rpm,=95000(N)/()…
k_(t) ks=3000(N)/(m);cs=400N(s)/(m);M=200kg;m=20kg;k_(t)=2500(N)/(m)u(t) x(t) f(t) b. Obtain the transfer functions G(s)=U(s)/(F)(s) and H(S)=x(s)/(U)(s) c. Find the natural frequency of suspension (undamped condition). d. Assume the car is moving at high speed and encounters a deep pothole.…
d) (12(V)/(m))i=(12(V)/(m))j 9. In the figure, a window in a uniform electric field of magnitude E=10\times 10^(7)(N)/(C). The frame of the window is aligned perpendicular to the field. The electric flux through the window is a) 4\times 10^(2)N*(m^(2))/(C) b) 2\times 10^(6)N*(m^(2))/(C) c)…
from coordinates to vectors A=(3cm,3cm) B=(-1cm,-2cm) C=(4cm,-5cm) D=(-6cm,7cm) E=(0cm,8cm) F=(2cm,0cm) G=(-5cm,0cm) H=(0cm,-9cm) I=(5cm,1.5cm) J=(-4cm,-10cm)
El agua a 20\deg C fluye a 30ga(l)/(m)in a través del codo de tubo doble de 0.75 pulgadas de diámetro de la figura. Las presiones son P_(1)=30lb(f)/(i)n^(2) y P_(2)=24lbf /in^(2). Calcule el momento en el punto B necesario para evitar que la tubería gire.
A=26.4m,B=42.2m,C=27.8m,D=18.0m angles ^(()()\alpha )=55\deg ,\beta =32\deg ,\gamma =15\deg ,\delta =24\deg sSin30\deg =0.5vec(A)A_(x),A_(y)=
A turboprop engine provides a propeller thrust of 70kN at a flight velocity of 80(m)/(s). The propeller efficiency is \eta _(prop )=0.80. The mechanical efficiency of the free power turbine driving the propeller is \eta _(mech )=0.98. The air mass flow rate entering the engine is…
The clamp is subjected to a force F=175lb at the handle. Determine the clamping force at E .
Calculating the magnetic field due to a straight current carrying wire of length 2 L at a distance d away from its center: Questions below demonstrate how to solve this question using Biot-Savart Law correctly. A random dl is selected on the wire. In the Biot-Savart law expression vec(dB)=(\mu…
Suppose ,\zeta -=0\zeta _(e) 10%. Whats the amount of mass to be added in terms of primary mass to achieve this damping ratio. \zeta _(e)=((()/(bar) (m)))/(2)\sqrt(1+((2\zeta )/((()/(bar) (m)))+(1)/(2\zeta _(d)))),widehat(u_(d))=((1)/(2\zeta _(d)))hat(u) Where m is the mass ratio hat(u) is…
Help me with this all parts of this question please. Show all work.
\[ V=\cos \theta . \] 3- A closed, rigid tank fitted with a fine-wire electric resistor Is filled with R-134 mixture, Initially at -10 C, a quality of \( 80 \% \), and a volume of \( 0.01 \mathrm{~m}^{3} \). A 12 -volt battery provides a 5 -amp current to the resistor for 5 minutes. If the…
How is water involved in the process of hydrolysis? Multiple Choice A water molecule speeds up the reaction. A water molecule is released. A water molecule is consumed.
Show that the flow speed in the picture below is V=(a)/(2). (d) V=(a)/(2)
Q1: A shaft is loaded as shown in Figure below. A electric motor of 9 kW capacity is conneted to one end of the shaft and efficiency of electric motor is 80%. The shaft rotates at N^(2)-80rpm. Yield stress of the shaft materials in tension is 300MPa. Find the minimum safe diameter of the shaft…
Question 2: A tornado can be idealized as a Rankine vortex with a core of diameter 30 m . The gauge pressure at a radius of 15 m is -2000(N)/(m^(2))2000(N)/(m^(2)) below atmospheric5485(m^(2))/(s). [Hint: Apply the Bernoulli equation between infinity and the edge of the core.] b25(m)/(s)…
Soru 1: Iç direnci, R_(c)=120\Omega olan bir galvanometrenin üzerinden I_(c)=6mA akımı geçtiğinde galvanometrenin ibresi tam sapmaktadır. a) ( 15 puan) Ampermetrenin ibresi maksimum saptgönda R direnci üzerinden gecen akm 54 mA ise R , yan yol direnci ne olur? b) ( 15 puan) Galvanometre ibresi…
3. ( \( \mathbf{3 0} \) minutes) A film of liquid with a constant thickness of \( d \) and width of \( w \) flows down on an inclined plate as shown in the figure below. The liquid has density of \( \rho \) and viscosity of \( \mu \). a. Obtain an expression for the velocity distribution \(…
The state of stress (in MPa ) at a point is shown in the figure. It is known that Iy=-7.275\times 10^(5) MPa^(3),\sigma _(\mu )=147.7127MPa and \tau _(mar )=126.2246MPa at this point. a.- Find \sigma and r and write down all the stress components at the point with the correct signs and…
need help solving question 3.
[12] Question 2 2.1The locomotive in one of the Mpumalanga coal mine transports 120 carriages in a day from 08 h 00 to 17 h 00 . On the 10^(th ) June 2025, maintenance audit was conducted to assess the one day performance of this equipment and the following outcomes were reported: System…
In which pneumatic distribution system can heavy upstream demands create air shortages at downstream points of use, resulting in uneven distribution? Select one: A. Dead-end system B. Loop system C. Decentralized system D. Single flow system E. None of the above
9. İki rijit tank bir vana ile bağlanmıștır. Tank A izole edilmiștir ve \( 0.2 \mathrm{~m}^{3} \) hacminde 400 kPa ve \( \% 80 \) kuruluk derecesinde buhar içermektedir. Tank B izole edilmemiștir ve 200 kPa ve \( 250^{\circ} \mathrm{C} \) 'de 3 kg buhar içermektedir. Bu anda vana açılmaktadır…
For the two systems shown a) Develop models representing each system b) Show the state space representation of the systems ->rhoQ_(i)(11)->(21)->(4)->
(a) The state of plane stress at a point is represented on the element as shown in Figure 6. By using formula, calculate: (i) The state of stress on the plane if the element is rotated at an angle \( \theta=60^{\circ} \) clockwise. [12 Marks] (ii) Maximum shearing stress. Solve it please using…
Determine the moments of inertia of the Z-section about its centroidal x_(0) - and y_(0)-axes. Answers: I_(x_(0))=i,(10^(6))mm^(4) I_(y_(0))=,(10^(6))mm^(4)
SORU 4 ( 25p ): Şekil 4'de boyutları ve yükleme durumu verilen çerçeve sistemin eğilme rijitliği EI dır. A noktası ankastre, C noktası kayıcı mesnettir. a) D noktasındaki düşey yer değiştirmenin (\delta _(b))5mm değerini aşmaması istenmektedir. Buna göre,sadece eğilme etkisini göz önünde…
Problem 3 A school bus is traveling on a straight road at 15.0((m))/((s)) when the driver decided to increase its speed. It speeds up with a constant acceleration of 2((m))/(s^(2)) for 4 seconds. After the period of acceleration, the bus maintains its speed. i. Draw a graph of velocity (v)…
Which of the following statements are true regarding nicotine gum? L. Initially, patients should chew one piece of gum per hour. II. It is encouraged to swallow saliva while chewing nicotine gum to aid absorption. III. Patients are encouraged to drink coffee while chewing nicotine gum. IV.…
Question #3 (Refer to Chapters 18 and 19 for this problem) The wing on a Piper Cherokee general aviation aircraft is rectangular, with a span of 9.75 m and a chord of 1.6 m . The aircraft is flying at cruising speed of 141 mph at sea level ( \rho =1.225k(g)/(m^(3)) and \mu =1.7894\times…
a) A vector ' V ' and a second order tensor ' T ' are given as: 7 7=14, COI V=4e_(x) 1e_(y) 2e_(z);,T=1e_(x)e_(x) 3e_(y)e_(y) 4e_(z)e_(z) 2e_(x)e_(y) 8e_(y)e_(x) If y and z-axes are rotated by 90\deg about the x axis what will be the various components of the vector and the tensor with respect…
In terms of vectors x and y, find these vectors. vec(AB) b vec(AC) vec(CB)
QUESTION 2 A steam power plant that operates on an ideal re-heat regenerative Rankine cycle; has an open feed water heater and a closed feed water heater. Steam enters the turbine at 10 MPa and 500\deg C is condensed in the condenser at 10 kPa . Some steam is extracted from the high-pressure…
Course Contents >> Homework 9 >> \( \mathbf{1 1 . 7 1} \) - Pressures in the Body Heroes in movies hide beneath water and breathe through a hollow reed (villains never catch on to this trick). In practice, you cannot inhale in this manner if your lungs are more than 60.0 cm below the surface.…
QUESTION 1 [23] A four cylinder, two stroke 2.0L. Diesel engine that operates on an ideal Diesel cycle has a compression ratio of 22 and a cut-off ratio of 1.8 Nitrogen which is the working fluid is 70\deg C and 97 kPa at the beginning of the compression process. Using alr standard assumptions,…
Q.4.: ( \( \mathbf{2 0} \) pts.): The figure shows a bracket machined out of steel having \( S_{\text {ut }}=\mathbf{6 0} \) kpsi ; the bracket has a rectangular cross sectional area of \( 0.5 \mathrm{in} \times 1 \mathrm{in} \) and subjected to the variable loading shown. Calculate the fatigue…
A 3.8 kg block is attached to a vertical spring and put into oscillation with amplitude 14.8 cm . At t=0s, the block is at 5.4 cm above equilibrium and has velocity 30c(m)/(s) moving towards the equilibrium. [Answer in 3 significant figures] Prob 1.pdf darr a) [4 pt] Determine the angular…
Durkheim claimed that in order to reduce excessive control of citizens and stagnation in creative thought, there has to be deviation from established moral boundaries in society, especially societies in the more ◻ stage. industrial micturicat postinduntial Niatorio
Determine the force in each member of the space truss shown.
Which of the following changes would increase the magnitude of the gravitational field intensity (g) an object feels when near a planet? (A) increase the mass of the object (B) increase the mass of the planet (C) decrease the spin rate of the planet (D) decrease the separation between object…
A gasoline engine operates according to an ideal Otto cycle. Air enters the engine at 100 kPa and 27 C . The compression ratio for this engine is 11 . We would like to obtain a net work output of 525.5k(J)/(k)g. Find: a) The amount of heat (in k(J)/(k)g ) we need to supply during the combustion…
A 10 kg slender rod of length Z is attached to sotters which can slide freely aloeg the guiles shown. Knowing that the rod is in equilibrium and that \beta =25\deg , determine ( a ) the angle \beta that the rod forms with the variful, (b) the reactions at A and B.
Homework Question 9: 2-29 Consider a meditern fo which the heat condsction equation is given in its simplest form as (1)/(r)(del)/(delr)(kr(delT)/(delr)) (del)/(delk)(k(delT)/(delk)) e_(pm)=0 (a) Is heat transfer sleady or transienc? (b) Is heat transfer one, two, or threedimensional? (c) Ts…
Question 3 (40 points) The wheel is spinning about shaft AB with an angular velocity of \omega _(s)=5ra(d)/(s), which is increasing at a constant rate of \omega _(x)^(˙)=3ra(d)/(s^(2)), while the frame precesses about the z axis with an angular velocity of \omega _(p)=10ra(d)/(s) which is…
A wood beam E_(w)=9GPa,150-mm wide by 250-mm deep, has an aluminum plate E_(a)=72GPa, with a net section 70-mm wide by 15-mm deep securely fastened to its bottom face, as shown below. Dimensions are given in millimeters. The beam is subjected to a bending moment of 30kN*m around a horizontal…
Un codo en ángulo desvía hacia abajo agua que fluye constantemente a razón de 0.16(m^(3))/(s), como se muestra en la figura. Para D=30cm,d=10cm,yh=50cm. Determinar el momento que se genera en la brida de unión del codo y la tubería. Considerar un volumen interno del fluido del codo como…
Soru: Buharlı bir güç santrali, ideal-ara ısıtmalı ara buhar almalı Rankine çevrimine göre çalışmaktadır. Çevrimde bir ara ısıtıcı, biri kapalı diğeri açık olmak üzere iki besleme suyu ısıtıcısı bulunmaktadır. Su buharı yüksek basınç türbinine 15 MPa basınç ve 600\deg C sıcaklıkta, alçak basınç…
A flywheel consists of a uniform steel disk of diameter 0.3 m and thickness of 0.1 m . This flywheel is used in a car as a means of energy storage and propulsion and is connected to the drivetrain which has an efficiency of 0.92 . a) If the car requires 8 kW of power to cruise at 70 mph on a…
Homperokk Question 8: r(d^(2)T)/(dr^(2)) 2(dT)/(dr)=0 (c) Is there heal pensorative in the modium? (d) Is the thermal coolactivity of the modium ovoulant or variable?
A string of length L=8m is connected to a wall at both ends. The tension on the string is T_(0)=8*10^(3)N and the mass density is \mu =10g(r)/(m). The string is vibrating in the first harmonic. The maximal height of the string at a point 2m away from the wall is y(2)=0.2m. a. What is the…
An object is dropped and freety falls to the ground with an accoleration of 1 g , If it is thrown upward at an angle instead, its acceleration will be select one: A - toooor lhan 19 A. 0 g . C. 19 upward. D. 1 odownmate I. none of these
A weight W=2kN is supported by a cable that passes over frictionless pulleys at D and F. The cable is attached to a winch at G, and cable segment DG is vertical. Member ABC is built in at A, and members ABC,DCEF, and BE are attached using pins at points B,C, and E. Neglecting the weights of…
A system with natural convection shall be used for heat rejection of an Intel Atom N270 chip (see. Figure 1). Maximum heat generation rate for the N270 is reported to be 2.5 W . Passive cooling shall be achieved with a rig that consists of fins with rectangular cross section each with a height…
#38 This is a traveling wave question, there are concepts inherent within the question you must understand to complete the question. You are sitting in a fishing…
14. It takes 20 N of force to stretch a spring 5 cm from equilibrium. A mass of 4 g is suspended from the spring initially at rest in equilibrium and is let go. Find 𝑥(𝑡) – the displacement from equilibrium at 3me t as a single sine func3on. Leave all quantaties exact.
Scooby sits quietly in the center ring, listening to two loudspeakers that are playing a spooky melody in phase. One speaker is located 4.0m in front of and 3.0 m to the left of Scooby’s left ear. The other speaker is 5.0m in front of and 6.0 m to the right of his right ear. What is the longest…
A beam of charged particles consisting of protons, electrons, deuterons, and singly ionized helium atoms and H2 molecules all pass through a velocity selector, all emerging with speeds of 2.5 106 m/s. The beam then enters a region of uniform magnetic field B 0.40 T directed perpendicular to…
7-3. In measuring the maximum intensity of a certain diffraction line with a sealer, 2048 pulses were counted in 1.9 sec. When the "diffraction background" a few degrees away from the line was measured, 2048 pulses were counted in 182 seconds. The average counting rate determined over a long…
If a 350 kg block is on a horizontal surface. Coefficient of kinetic friction is 0.4 and coefficient of static friction is 1.1. If the block is connected through a pulley (frictionless and massless) to a hanging mass of 450 kg, how fast will the block be moving once its displacement is 4…
[T] A force FF of 40N40N acts on a box in the direction of the vector OP→,OP→, where P(1,0,2).P(1,0,2). Express the force as a vector by using standard unit vectors. Find the angle between force FF and the positive direction of the x-axis.
A pigeon has two relatively small legs, while an elephant has four massive legs. The question is can you scale a pigeon to the size of an elephant? How about an elephant to the size of a pigeon? Use what you know about stress to make an argument for each.
76. An air traffic controller notices two signals from two planes on the radar monitor. One plane is at altitude 800 m and in a 19.2-km horizontal distance to the tower in a direction 25°25° south of west. The second plane is at altitude 1100 m and its horizontal distance is 17.6 km and 20°20°…
Two unknown resistors are connected together. When they are connected in series their equivalent resistance is 15 Ω. When they are connected in parallel, their equivalent resistance is 3.3 Ω. What are the resistances of these resistors? Hint: Here you need to use Alegbara to solve two questions…
A billiard ball is moving in the x-direction at 25.0 cm/s and strikes another billiard ball moving in the y-direction at 40.0 cm/s. As a result of the collision, the first ball moves at 60.0 cm/s, and the second ball stops. In what final direction does the first ball move? Option A in the…
pair of five kilogram (5kg) masses of equal surface area are placed side by side. They have temperatures of 85 and 170 Celsius degrees respectively. Which of the following statements is false (i.e.not true) (a) The black body spectrum of the hotter object peaks at shorter wavelengths than the…
object's acceleration is necessarily true? A) The value of the acceleration is positive. B) The direction of the acceleration is in the same direction as the displacement. C) An object that is decelerating has a negative acceleration. D) The direction of the acceleration is in the direction…
A rookie quarterback throws a football with an initial upward velocity component of 13.0 m/sm/s and a horizontal velocity component of 20.0 m/sm/s. Ignore air resistance. How does this compare with the time calculated in part A.
Which of the following statements about the photoelectric effect are true? The intensity of the light beam does not affect the photocurrent.The kinetic energies of the emitted electrons do not depend on the light intensity.A weak beam of light of frequency greater than the threshold frequency…
6. An airplane flying at 257 mi/h due east makes a gradual turn following a circular path to fly south. The turn takes 15 seconds to complete. What is the magnitude of the centripetal acceleration during the turn? can you do this step by step.
Which of the following statements are correct about the situation described in the introduction? Check all that apply. The loudspeaker is in static equilibrium.The loudspeaker is in dynamic equilibrium.The loudspeaker is not in static equilibrium, because it is not on the ground.The loudspeaker…
What is inertia? Select all the correct answers from the list below. Question 26 options: My inability to get out of bed in the morning unless someone comes by and physically lifts me up. An object's tendency to accelerate when the friction coefficient is larger than the object's mass. Inertia…
How does Einstein's view of time compare with Newton's view? Group of answer choices In Newton's model the passage of time is different near a large mass than when away from a large mass. In Einstein's model this is untrue. In Einstein's model the passage of time is different near a large mass…
You leave the block of ice oscillating to go grab a cup of coffee. When you return, you find that the block of ice has stopped moving and is now sitting motionless at the equilibrium position. You check the security camera and verify that nobody went into the building to stop the block while…
Required information C А с C2 B Cg Here, C1 = 3.40 uF, C2 = 1.20 uF, C3 = 3.00 uF, and X = 24 V. What is the capacitance of unknown capacitor C
Assume the first law of thermodynamics is given as delta U is equal to Q minus W. A system is taken from state 1 to state 2 (each with corresponding pressure, temperature, and volume) in a variety of ways. Which of the quantities in the first law of thermodynamics will be the same in all of the…
Select the correct statements that summarizes the physical fact about resistors. (1) The current is the same through all the resistors. (2) The individual potential differences are directly proportional to the individual resistances. (3) The total potential difference equals the sum of the…
How do you think the vertical velocity of the ball at launch will be different compared to when it was launched at a 65 degrees angle? Will its new ver-cal velocity be bigger, smaller, or the same size as its ver-cal velocity was for a 65 degree angle?
#22 A massless rigid beam is held in place at a pivot point at its leftmost edge. A mass of 17 kg hangs 6 meters from the pivot point. What force must be…
#34 If the system contains 24.2E22 atoms of an ideal gas, how much energy is needed to raise the temperature by 24.4 K (J)?
How will the total amount of energy of a particle change as the particle is accelerated to the speed of light? Question 11 options: The total energy will not change. The total energy will increase. The total energy will decrease. The total energy will be constant until c, then it will…
All an object is a projectile motion with upward being positive with no resistance The horizontal components of the velocity remains constant and vertical component of the to acceleration is equal to zero the horizontal component of velocity remains continent horizontal component acceleration…
A particle traveling through space is speeding up because of a 180 N force acting in its direction of motion. All of a sudden, the particle encounters a second force of 180 N in the opposite direction of the first force. With both forces now acting on the particle, what happens? The particle…
A firm's markup rule can be described by the formula Part 2 A. Upper M equals left parenthesis 1 plus eta right parenthesis Upper Q nbspM=(1+η)Q . B. Upper M times Upper V equals Upper P times Upper YM•V=P•Y . C. Upper E equals Upper M times Upper V squared nbspE=M•V2 . D. Upper P equals left…
If the xx component of this vector is 12 mm, the magnitude of the vector is greater than 12 mm.equal to 12 mm.less than 12 mm.the same as the yy component of the vector.
Thermal radiation a) cannot be transferred in a vacuum. b) is transmitted more efficiently in a vacuum. c) is proportional to the square of the emitting medium temperature. d) is proportional to the fourth power of the emitting medium temperature.
Object A (mass m) and object B (mass 2m) are initially at rest a certain distance from each other. Object A exerts a force on object B, and object B exerts a force on object A. These forces have the same magnitude, and each force attracts one object to the other. No other forces act on either…
A 2,500-kg car is sitting at rest in a parking lot. A bike and rider with a combined total mass of 60 kg are traveling along a road at 10 km/h. Which system has more inertia? Why? Question 17 options: The bike has more inertia because its mass is less than the mass of the car. The bike has more…
A nike cruise ship takes 20.8 h to go upstream from luxor to aswan a distance of 216km and 19.2h to make the return trip downstream assuming the ships speed relative to the water is tge same in both cases calculate speed of tge current
4 Calculate the velocity of a proton whose kinetic energy is twice its rest energy
What is the apparatus that reads a contacting point displacement through changes in electrical property of the measuring device? (a) laser interferometer, (b) optical flat, (c) dial indicator, (d) liner variable differential transformer, (e) vernier caliper, (f) acoustic emission transducer.
Predic-on 3: How do you think the horizontal velocity of the ball at launch will be different compared to when it was launched at a 65 degrees angle? Will its new horizontal velocity be bigger, smaller, or the same size as what its horizontal velocity was for a 65 degree angle?
Which has more thermal energy: a cup of very hot tea (approximately 50\deg C or 122\deg F) or a bathtub full of warm water (approximately 30\deg C or 86\deg F)? Answer Unselected We can not tell from this information. Unselected The cup of hot tea Unselected The bathtub of warm…
In Newton's model of an infinite universe with stars distributed smoothly throughout, an individual star would feel: Group of answer choices equal forces pulling in every direction, resulting in no net force. a preponderance of force pulling it toward the center of the universe. a preponderance…
If you wanted to measure the average temperature of a planet or moon, which of the following mission profiles would be the easiest approach? Group of answer choices Send a lander with a thermometer Send a rover with a wide-field camera Send a flyby to measure infrared radiation Send an…
Consider what happens when you jump up in the air which of the following is the most accurate statement since the ground is stationary it cannot exert the upward force necessary to propel you in the air be when you push down on the earth with a fourth greater than your weight the Earth will…
Object Speeds The speed of objects orbiting the Sun is [ Select ] ["faster at aphelion, when they are farthest from the Sun", "faster at perihelion, when they are closest to the Sun", "the same no matter where they are in their orbit"] . Accordingly, Earth moves faster through…
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