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Physics 101 Mechanics
May 2023
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Physics 101 Mechanics
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May 4, 2023
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May 4 of 2023
A constant form P = 75H acts on a body Shown during only the first 6m of its motion Starting from rest. if static friction = 0 .20 Find the Velocity of the body after it has moved a total distance of 9m
A constant form P = 75H acts on a body Shown during only the first Gm of its motion Starting from rest. if static friction = 0 .20 Find the Velocity of the body after it has moved a total distance of am
A small ball tied on a thin line starts to move SLOWLY (balanced at each point) under a horizontal force F until an angle θ. How much work is done by: (1) F, (2) gravity?
Calculate the support reactions and the forces in members 1, 2, and 3 of the truss system given below in terms of P. State whether they are in tension or compression. Give your final answers as S1, S2, and S3. Don't change the numbering of the members.
Problem 27.22 Determine the y-component of the force on the electron. Express your answer using two significant figures. An electron moves with velocity = (6.4i + 5.5j + 10m/s) in a magnetic field B = (-0.83i + 0.67j) T. F = 0N Submit Previous Answers Correct Part C MasteringPhysics: HW7…
please I need the answer of b just b 2.For N molecule of a classical gas, use the equipartition energy principle to calculate the energy and heat capacity if: a)The molecules are free to move in space b) The molecules constrained to move in a plane c) if the molecules move in a straight line d)…
A) The charge will move to the right with constant velocity. B) The charge will move to the left with constant velocity.
In the figure, q1 = 5 µC and q2 = -8 µC charges, 3 m apart, are fixed at their locations. Between these two charges, a charge q3 = 1 µC with a mass of m3 = 1 g is thrown from point A in the direction of q1 with a speed of 10 m/s. How close is it to the q1 charge?
Hydrogen spontaneous decay lifetimes, atomic susceptibility A. The transition 2P-1S in hydrogen has several contributions. Evaluate 1,0,0z^2,1,0; 1,0,0x^2,1,1; 1,0,0y^2,1,1 and compute |1S|r|2P|. Find the frequency of the transition and compute its lifetime T=1/R. B. Compute 1,0,0e&r cos^3,1,0.…
A police car sounding a siren with a frequency of 1280 Hz is traveling at 110.0 km/h. Part B What frequencies are heard in a car traveling at 80.00 km/h in the opposite direction before and after passing the police car? Enter your answers numerically separated by a comma. before, after = 1500,…
Q4Two equal point charges q=q=2C are placed at a distance of 4m from cach other. What is the electric field at the midpoint between the two charges? A9.0x10N/C B4.5x10N/C q,0. the. C2.25x10N/C +2C 4m +2C D)Zero
What is the amplitude of the subsequent oscillations? A 0.800 kg block is attached to a spring with a spring constant of 14.0 N/m. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 35.0 cm/s. Express your answer with the…
A Path A B Path B C Path C D Path D
A 0.6 kg mass attached to a 1.2 m long string is whirled around in a horizontal circle at a speed of 6 m/s What is the centripetal acceleration of the mass? a Click for List
Particles are emitted from a radioactive source at a speed of 1.81 m/s.
An archer shoots an arrow at an angle of 18° from the horizontal at an initial speed of 34.4 m/s. Ignoring air resistance, determine: (a) the time it will take for the arrow to strike the ground, and (b) the range of the arrow. (a) t = (b) x = 430
Special Relativity: Problem 5 (1 point) Pions have a mean lifetime 2.6 10-8 s when at rest. If they have a speed of 0.94c find: a) The mean lifetime measured in the laboratory frame is 2.93 ns. b) The distance traveled in one lifetime in the lab frame is m. c) The distance traveled in the…
Given the quantities a = 3.4 m, b = 9.5 s, and c = 86 m/s, what is the value of the quantity a3 cb2 d= Click for List
By using the appropriate Thermodynamic tables and making the necessary explanations, fill it in. a) T, °C H, kJ/kg x Faz tanimi 0.7 1800 0.0 P, kPa 200 140 950 500 800 80 3162.2 b) T, °C 8 30 refrigerant-134a - P, kPa 320 v, m3/kg Faz tanimi 0.015 180 600 Doygun buhar 80
A coaxial cable, consisting of a long, length L, straight wire with resistivity p inside an insulating layer of thickness t and an outer conducting layer, has a capacitance of C and resistance R. The cable is connected to an ideal battery, voltage Vo, with the positive connected to the inner…
Problem 4: A small stellar core is about to collapse and form a white dwarf. The initial mass of the core is M = 1.00*1030 kg (about a half of the solar mass), its radius is Rs = 7.00 * 105 km, and its period of rotation is T = 30.0 days. After the collapse the final radius of the white dwarf…
Sweating is one of the main mechanisms with which the body dissipates heat. Sweat evaporates with a latent heat of 2,430 kJ/kg at body temperature, and the body can produce as much as 1.7 kg of sweat per hour. If sweating were the only heat dissipation mechanism, what would be the maximum…
(a) Find the angle of incidence of a horizontal surface in Istanbul on the 5th of February at 10:00 o'clock which faces South (Latitude Angle for Istanbul = 41). General Angle Equation: Cosθ = Sinφ Sinδ Cosω - Sinφ Cosδ Sinω Cosy + Cosφ Cosδ Cosω Cosy + Cosφ Sinδ Sinω Cosy Cosω +…
Problem 3: A disk and a hollow sphere that have the same radius R = 10.0 cm and the same mass M = 1.00 kg are initially at rest on two identical inclined planes with angle of inclination 0 = 30.0'. The disk is placed at the initial height ho = 1.00 m and the initial height of the sphere hs is…
Problem 2: A disk and a hollow sphere that have the same radius R = 10.0 cm and the same mass M = 1.00 kg are rolling without slipping on the level surface with speeds vo and vs respectively. The kinetic energies of the two objects are equal. Find the ratio of speeds vp/vs.
Problem 1: A track consists of an inclined plane which ends in the loop of radius R = 1.00 m. A solid disk of mass M = 20.0 g and radius a = 1.00 cm is placed on the top of the inclined plane. The disk rolls on the track without slipping Find the minimum height h where the disk can be placed so…
Two identical solid spheres of the same mass M and the same radius R are rotating with the same angular speed ω about the axes shown in the figure: A B Sphere A is rotating about the axis passing through its center. The rotational kinetic energy of Sphere A is Ka. Sphere B is rotating about…
Consider a solid disk and a solid sphere that have equal radii R = 1 m and equal masses M = 5 kg. Both objects are rolling without slipping with the same center of mass speed v = 1 m/s on the same level surface. The kinetic energy of the solid disk is Kp and that of the solid sphere is Ks. The…
Consider a solid disk and a solid sphere that have equal radii R = 1 m and equal masses M = 5 kg. Both objects are rotating with the same angular speed ω = 1 rad/s about the axes passing through their centers. The kinetic energy of the solid disk is Kd and that of the solid sphere is Ks. The…
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An artificial satellite circling the Earth completes each orbit in 139 minutes (a) Find the altitude of the satellite in m [Select] (b)What is the value of g at the location of this satellite in m/s2?[Select]
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Consider the following three objects, with their axes of rotation labeled with x in the figures: Solid disk A of radius R = 1 m and mass M = 1 kg is free to rotate about the axis passing through the edge of the disk. Solid disk B of radius R = 1 m and mass M = 1 kg is free to rotate about the…
Three weights are attached to a massless rod of length L = 4 m as shown in the figure: two weights of mass M1 = 2 kg are attached at the ends, and a weight of mass M2 = 8 kg is attached at the center of the rod. You can assume that the weights are point masses, i.e. they have negligible…
A horse starts from rest and gallops to a speed of 54.3 km/h in 2.53 s. Assuming the horse has accelerated uniformly, determine the distance it runs. X = ?
Determine the force in each member of the truss by methods of joints and state if the members are in tension or compression. Set P = 3 kN. P = 6 kN.
A B C D E Implement the circuit shown above using NOR gates only
A horse starts from rest and gallops to a speed of 54.3 km/h in 2.53 s. Assuming the horse has accelerated uniformly, determine the distance it runs X= Click for List
second answer is wrong A compact discCD) contains music on a spiral track.Music is put onto a CD with the assumption that.during playback,the music will be detected at a constant tangential speed at any point.Sincev=rw.a CD rotates at a smaller angular speed for music near the outer edge and a…
Total radiation is calculated and drawn for the latitude of 42° 42' N. The total radiation vs slope angle curves are calculated for the latitudes of 42° and 36°.
DETAILS SERCP1112.4.P.046.MI. MY NOTES ASKYOURTEACHER PRACTICE A heat engine operates in a Carnot cycle between 84.0°C and 345°C. It absorbs 2000 J of energy per cycle from the hot reservoir. The duration of each cycle is 3.00 s. a) What is the mechanical power output of this engine? Tkw b)…
86Sr has even numbers of both protons and neutrons. Calculate A = 1u = 931.5 MeV/c^2. Give your answer to at least three decimal places. 7.509 X MeV/nucleon. Compare your result with the approximate value obtained from the graph in the figure below. Fe Zn Kr Mo To Sm . Lu Hg R H 2 TH 0 50 100…
Problem 3 (20 points) [Electric Potential] A uniform electric field of magnitude 325 [V/m] is directed in the negative y direction. The coordinates of point A are (-0.2, -0.3) [m], those of point C are (-0.2, 0.5) [m], and those of point B are (0.4, 0.5) [m]. Calculate the following electric…
A metal advertising sign (weight w) is suspended from the end of a massless rod of length L. The rod is supported at one end by a hinge at point P and at the other end by a cable at an angle θ from the horizontal. Which of these forces is least? A. the weight of the sign B. the tension in the…
Please, I need help. Thank you so much. I will give thumbs up. The charges and coordinates of two charged particles held fixed in an xy plane are q = 3.29 C, x = -2.89 cm, y = 0.891 cm and q = 4.21 C, x = -2.61 cm, y = 1.72 cm. Find the (a) magnitude and (b) direction with respect to the…
A mass M slides without friction on the roller coaster track shown in Figure 1. The curved sections of the track have a radius of curvature R. The mass begins its descent from the height h. At a height from h, the mass is at the point of inflection where it begins to lose contact with the…
In the figure, a ray of light is incident on the flat surface from within a material with refractive index n = 1.60. The incidence angle θ = 40 degrees. The refractive index of the second material n = 1.30. What is the refracted angle, θ'? degrees What is the critical angle for this pair of…
A capacitor with capacitance C holds charge Q. The capacitor is connected to an inductor L to create an LC circuit with negligible resistance, as shown above. What is the maximum current in the circuit?
Two meteoroids are heading for Earth. Their speeds as they cross the Moon's orbit are 2.0 km/s. Part B: The second misses the Earth by 5500 km. What is its speed at its closest point? Express your answer with the appropriate units.
Which of the following can exhibit wave-like behavior? 1. Light 2. Electron 3. Proton A. Only 1 B. Only 1 and 2 C. All in the list D. Only 2 and 3
Which of the following equations gives the energy of a particle of light, also known as a photon? Note: h is Planck's constant, f is frequency, λ is wavelength, c is the speed of light, and p is momentum. 1. hf 2. hc/λ 3. p/λ 4. Both 1 and 2 5. All in the list 6. Only 3 7. None of the above
Circular Motion 5: A particle travels in a circle of radius 10 m at a constant speed of 20 m/s. What is the magnitude and direction of the centripetal acceleration? If the mass of the particle is 5 kg, find the centripetal force. 6: There is a dust particle on the edge of a circular disk on a…
Which of the following experiments needs the particle nature of light to explain its results? 1. Blackbody radiation 2. Photoelectric effect 3. Two-slit experiment Only 2 Both 1 and 2 Both 1 and 3 All in the list
An infinite straight wire carries current I1 = 3.6 A in the positive y-direction as shown. At time t = 0, a conducting wire, aligned with the y-direction, is located a distance d = 61 cm from the y-axis and moves with velocity v = 16 cm/s in the negative x-direction as shown. The wire has…
Current AttemptinProgress Thefigureshows a devicethat can beused to measure the speedofabullt The device consists of tworotating dik separated by distance of d-O.856mand rotatingwith an angular speed of 103rad.Thebullet hrst passes through the eft dik and then through the right disk It is…
Problem 27.25 Constants & Periodic Table Part A A proton moves through a region of space where there is a magnetic field B = 0.63i + 0.36j T and an electric field E = 3.24i + 3.10j + 5.2k V/m. At a given instant, the proton's velocity is v = 5.6i + 3.1j + 5.2k m/s. F = q(E + v × B) F =…
All the current in a 180 mH coil changes steadily from 23.0 A to 11.0 A in 290 ms. What is the magnitude of the induced emf? Express your answer to three significant figures and include the appropriate units.
Text: Identify the following: ECR Buzzer D B CR HH CR C [Choose] Holding contact A Coil Start push button B NC contact Float switch [Choose]
Find the net torque and direction of the torque in the following figure. Problem N 0.6 N 6.5 N
ASK YOUR TEACHER A 350-g aluminum cup contains 700 g of water in thermal equilibrium with the cup at 70°C. The combination of cup and water is cooled uniformly so that the temperature decreases by 1.1°C per minute. At what rate is energy being removed? Express your answer in watts. XW
Consider orthogonal electric and magnetic fields E=Ex and B=-B2. Suppose a beam of ionized carbon ions passes through these fields with velocity v=vy. What is the force acting on the beam? Show that if the velocity of the beam is less than a critical value v, the ions collide with the negative…
A proton charge (e), mass (mp), an electron charge (-e), mass (me), and a particle charge (2e), mass (4mp) enter a uniform magnetic field. Each has kinetic energy (K). Each moves in a path with a radius (rp) in terms of the electron and particle.
Find the following: a) 1x+2g+32x1x+3y+2 b) 1+3y+221+2+3 c) 1+1y+1x2x+2y+22 d) -1x+1y+122x+2y+22 e) -1x+1+12x2x+2y+2-1x+1y+1 f) (-1x+1y+12x2x+2y+22-1+1y+-12
Determine the inductance I of a 0.40-m-long air-filled solenoid 2.6 cm in diameter containing 8900 loops Express your answer using two significant figures. AO 1.32103 H You have already submitted this answer.Enter a new answer No credit lost.Try again Submit Previous Answers Request Answer
A certain light truck can go around a flat curve having a radius of 150 m with a maximum speed of 28.5 m/s. a) What is its maximum centripetal acceleration before skidding (in m/s^2)? [Select] b) With what maximum speed can it go around a curve having a radius of 78.5 m (in m/s)? [Select]
Show Attempt Histox Current Attempt in Progress Your answer is partially correct. In an interstellar gas cloud at 59.1 K, the pressure is 1.40 x 10^-Pa. Assuming that the molecular diameters of the gases in the cloud are all 22.1 nm, what is their mean free path?
An object having an initial momentum that may be represented by the vector below strikes an object that is initially at rest. Which of the following sets of vectors may represent the momenta of the two objects after the collision? Select one: a. b. c. d. e.
26. Analyze the following sequential circuit, write down the input and output equations and the future states for Q1 (A) and Q2 (B). Also, draw the state diagram from the state table. A B X Q K Q
1.5 pF 39 pF 4 pF 0.04 pF
Question 2 of 12 - / 1 : View Policies Current Attempt in Progress An electron is trapped in a one-dimensional infinite well of width 390 pm and is in its ground state. What are the (longest, b) second longest, and (c) third longest wavelengths of light that can excite the electron from the…
A 981-kg satellite orbits the Earth at a constant altitude of 101 km. (b) What is the change in the system's kinetic energy? (c) What is the change in the system's potential energy? Need Help? Read It Watch It
I'm blanking on where to start. Any help is appreciated. Determine the small-oscillations period for a physical pendulum consisting of a thin rod of mass 3M and length 2R that is attached to a hoop of mass M and radius R. The axis of rotation is at the end of the rod that is opposite the hoop.
An object is placed in front of a spherical mirror. In which case is the formed image virtual, upright, and larger? A. Concave mirror with object distance greater than focal length B. Convex mirror with object distance greater than focal length C. Concave mirror with object distance less than…
A particle of mass m moves in one-dimensional motion through a field for which the potential energy of the particle-field system is U, where A and B are constants. a) Find the equilibrium position x of the particle in terms of m, A, and B. (3%) b) Determine the depth of U, the potential well.…
magnetic field in the pulse? B
Average resistance of a circuit with two resistors in series to produce a potential difference that is less than that of Circuit A (Figure 1 shows the circuit). Assuming R=480Ω. Part A: What should the resistance R be such that the potential difference across R is one-third that of Circuit A?…
The atoms of an NaCl molecule are separated by a distance r = 0.280 nm. Calculate: (a) the reduced mass of an NaCl molecule. (b) the moment of inertia of an NaCl molecule. (c) the wavelength of radiation emitted when an NaCl molecule undergoes a transition from J = 2 state to the J1…
Please show your work, thanks!! In the figure below, the current in the long, straight wire is 5.10 A, and the wire is in the plane of the rectangular loop which carries 12.4 A. The dimensions shown are c = 0.100 m, b = 0.150 m, and E = 0.450 m. Find the magnitude and direction of the net…
Tenses: Convex or Concave? Focal Length: Vcm Type of Lens: Convex Concave
A long solid cylindrical conductor has a radius of 10 cm. The electric field 20 cm from the axis of the cylinder has a magnitude of 904 N/C. What is the surface charge density on the cylinder? Organize the given and unknown quantities using appropriate symbols.
4, A 0.33[kg] pendulum bob is attached to a string that is 1.2[m] long. What is the change in potential energy of the system as the bob swings from point A to point B? /5
please hurry. i need both the direction and speed of the red stone. ive asked this question a number if times and have yet to receive a correct answer Curling Stone Momentum Problem Motion of Stones Before the Collision 22.4kg 19.3kg Motion of Stones After the Collision Determine the Post…
Please explain what each formula is used for, and what each variable means. Equations and constants: Zoom: 80% l2 - l = ml, m = 0, 1, 2,... l - l = (m + a, m = 0, 1, 2,... m = 0, 1, 2, ... a, m = 1, 2, 3,... to t = v^2 v^2 = c^2 mv^2 mc^2 Eo = mc^2 KE = E - Eo E = hf h = 6.626 x 10^-34 s 1f =…
Which of the following correctly describes momentum and impulse? MOMENTUM IMPULSE a. vector vector b. vector scalar c. scalar vector d. scalar scalar Select one: O a. B O b. C O c. A O d. D
A 15 N force is applied to a 5.0 kg block as shown. What is the normal force on the block? A. 37N B. 40N C. 49N D. 58N
8. Draw diagrams for a 75-ohm and a 100-ohm resistor connected in series and connected in parallel: Series Parallel 9. In the following circuits, tell which resistors are connected in series, which are connected in parallel, and which are neither in series nor parallel. B A B C C D (E) (B) A B…
2) Consider Young's Two-slit Experiment setup. When you shine a laser so it passes through two slits, you see a fringe pattern on a sheet which is 2.6m from the slits, which are 0.03mm apart. Each bright spot and each dark gap is 5mm wide. a. What is the wavelength of the light emitted from…
The wire described in (2) is removed. What happens to the brightness of each of the three bulbs and to the current flowing through point 2 if a wire is connected from the battery terminal at point 2 to the socket terminal at point 5? The circuit is returned to its original state. A fourth bulb…
I need help with the percentage error!! Group Members: Matthew Meneces Verify Archimedes' Principle Mass (g): 10g, 20g, 50g, 100g, 200g Mair (g): 10.25g, 20.55g, 50.35g, 100.5g, 200.65g Mwater (g): 9.15g, 17.5g, 44.4g, 85.6g, 172.5g MB (g): 1.1g, 3.05g, 5.95g, 14.9g, 28.15g V (cm3):…
What is the wavelength? Figure 1 of 1 D (cm) 2 m/s x m 1.0 0.5 Snapshot graph at t=0s
I need help getting the density of a liquid and calculating the percentage error! Density of Unknown Liquid Mass = 50g Liquid Water Mass (g) 50.35g 50.35g Mass of liquid (g) 44.4g 44g Mass of beaker (g) 5.95g 6.35g Unknown Density of Liquid: 1.07g/cm^3 Standard: 0.9g/cm^3 Error (%): 0.7%
Two identical balls A and B are separated by a distance d. Both balls have the same positive charge +Q, and both are free to move. The mass of ball A is greater than the mass of ball B. a) Which ball experiences a larger force? Explain. b) Which ball experiences a larger acceleration?…
DETAILS SERCP1116.6.P.040. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Two capacitors give an equivalent capacitance of 9.90 pF when connected in parallel and an equivalent capacitance of 1.86 pF when connected in series. What is the capacitance of each capacitor? Smaller capacitor: pF Bigger…
What is the impedance (in Ω) of a circuit containing a 75 Ω resistor, a 250 mH inductor, and a 250 µF capacitor connected to an AC power supply with a peak voltage of 170 V and a frequency of 60 Hz?
Two pulses traveling on the same string are described by the following equations, where k = 5 and w = 6. 5 5 (a) In which direction does the first pulse travel? ) +x O-x +y In which direction does the second pulse travel? +x O-x +y (b) At what instant do the two pulses cancel for all x? (c) At…
An object with a height of 4.2 mm is a distance of 25.3 cm to the left of lens f with a focal length of 23 cm. At a distance of 93 cm to the right of lens is lens with a focal length of 37 cm. Determine the location of the final image with respect to lens f i (in cm).
The angle of refraction of a ray of light traveling through an ice cube is 44°. Find the angle of incidence. Express your answer using two significant figures. Submit Previous Answers Requested Answers Incorrect. Try Again. 18 attempts remaining. Provide Feedback
Circle or box your final answers. Be sure to include the units. cos = adjacent tan = opposite 52 hypotenuse hypotenuse adjacent D = r F = ma = F = -F w = mg fun fk = n 1.14 points A mass is hung from two ropes as shown. Rope 1 is attached to a wall and is horizontal. Rope 2 is attached to a…
1. C & D only Part A An X-ray photon scatters from a free electron at rest at an angle of 125 relative to the incident direction. If the scattered photon has a wavelength of 0.320 nm, what is the wavelength of the incident photon? Express your answer using three significant figures. = 0.316…
Please show your work, thanks!! A proton moving at 6.00 x 10^6 m/s through a magnetic field of magnitude 1.78 T experiences a magnetic force. Enter both positive angles from 0° to 360°. Smaller value represents the larger value. Need Help? 7.0 x 10^13 N. What is the angle between the proton's…
Part A A lens that is optically perfect is still limited by diffraction effects. Suppose a beam of light with a wavelength of 600 nm is incident on this lens. Find the angle formed by this beam at the focal distance of the lens. Part B What is the width (diameter) of the central maximum at the…
Please show your work, thank you! 0d20x10 Find the magnitude of the magnetic force acting on the ion and the magnitude of the ion's acceleration. (0)the
Curling Stone Momentum Problem Motion of Stones Before the Collision 22.4 kg 19.3 kg Motion of Stones After the Collision Determine the Post-Collision Speed and Direction of the Red Stone 22.4 kg 19.3 kg 106 kg·m/s 1.63 m/s End
What is the momentum of an 80 kg runner who covers 1000 m in 300 s running at a constant velocity?
Find V1, V2, and R4 please. Consider the circuit shown below. Find V, V2, and R. WW = 4A, R = 6 12 = 3A, WW R = 4 14 = 2A 3 = 1A, WW R - 6 15 = 3A V2 R4 6 = 1A R5 = 4 WW Diagram Description
Enter the value and unit for each of the Moments of Inertia listed below: (a) DISK: R = 0.62 kg·m^2, M = 50.0 kg (b) THIN HOOP: R = 0.62 m, M = 50.0 kg (c) ROD about its center: Length, L = 0.62 m, M = 50.0 kg (d) CYLINDER: R = 0.62 m, M = 50.0 kg (e) HOLLOW CYLINDER: R_outer = 0.62 m, R_inner…
Figure 1 shows three points near a very long charged rod. The distance between A and B, the distance between A and C, and the distance between B and C are all equal. A If an electron moves from B to C, would the work done by the electric field be positive, negative, or zero? Explain. Draw…
Suppose a piece of dust finds itself on a CD. If the spin rate of the CD is 950.0 rpm and the piece of dust is 1.8 cm from the center, what is the total distance traveled by the dust in 3.6 minutes? (Ignore accelerations due to getting the CD rotating) Enter to 3 SigFigs in proper metric units.
A body of mass 2.4 kg makes an elastic collision with another body at rest and continues to move in the original direction but with 1/2 of its original speed. What is the mass of the other body? What is the speed of the two-body center of mass if the initial speed of the 2.4 kg body was 5.2…
Block 1 of mass mslides along a frictionless floor and into a one-dimensionalelastic colisionwith stationary block2ot mas m=6.Om.Prior to the collision,the center of mass of the two-block system had aspoedof 6.Om/sAlterward.whatare thesoc (a)the center of mass and(b)block2? (aNumber Units (b)…
Please help me answer this ASAP! I will leave a big like! Part A: A generator rotates at 81 Hz in a magnetic field of 0.055 T. It has 650 turns and produces an rms voltage of 160 V and an rms current of 55.0 A. What is the peak current produced? Express your answer to three significant figures…
A 2200-µF capacitor is charged to 170 V and then quickly connected to an inductor. The frequency of oscillation is observed to be 18 kHz. Part A: Determine the inductance. Express your answer using two significant figures. L = 6 H Submit Best Answer Part B: Determine the peak value of the…
Please help me answer this ASAP! I will leave a big like! Part A: A 3100-pF capacitor is connected in series to a 39.0-ohm coil of resistance 4.80 Ω. What is the resonant frequency of this circuit? Express your answer to three significant figures and include the appropriate units. C: Value:…
Please help me answer this ASAP! Will leave a big like! Part A Determine the total impedance. An RC circuit is connected to a 10.5 kHz, 745 Vrms source. L = 29.0 mH, R = 8.20 kΩ, and C = 6550 pF. Express your answer to three significant figures and include the appropriate units. Value:…
Please help me answer this ASAP! I will leave a big like! Part A: Determine the inductance (L) of a 0.60 m long air-filled solenoid 3.1 cm in diameter containing 8400 loops. Express your answer using two significant figures. H Submit Request Answer
The temperature is 3.10°C, and the capacitor is charging. (a) What is the total energy in the circuit? (b) What is the maximum charge on the capacitor? (c) What is the maximum current? If the charge on the capacitor is given by q = Q cos(t), what is the phase angle? Suppose the data are the…
a) Determine the maximum energy (in J) stored in the magnetic field of the inductor. 9.72E-5 J b) Determine the peak value of the current (in A). XA c) Determine the frequency of oscillation of the circuit (in Hz). Hz
Pre-Lab Activity (Write your answers on a separate sheet.) 1. What forces are acting on a mass that is hanging on a spring? Illustrate using a free-body diagram. 2. What can you say about the forces on the mass in its equilibrium position? 3. Describe what you expect will happen if the mass is…
Please help me answer this ASAP! I will leave a big like! Part A: If the current in a 130 mH coil changes steadily from 27.0 A to 12.0 A in 410 ms, what is the magnitude of the induced emf? Express your answer to three significant figures and include the appropriate units. Value: Units:…
09 Aq pazeredas aue, paqo 6y-S6y e pue paqo 6y-s61 v (a) Find the magnitude of the net gravitational force exerted by these objects on a 47.0-kg object placed midway between them. 0.0000002903 (b) At what position (other than an infinitely remote one) can the 47.0-kg object be placed so as to…
Please help me answer this ASAP! I will leave a big like! Part A A model train transformer plugs into 120-V AC and draws 0.35 A while supplying 7.6 A to the train. Express your answer to two significant figures and include the appropriate unit. Value: 7.6 A Units: A Request Answer Part B Is…
Please help me answer this ASAP! Will leave a big like! Part A: A step-up transformer increases 20 V to 120 V. What is the current in the secondary coil compared to the primary coil? Assume 100% efficiency. Express your answer using two significant figures. 0 Submit Request Answer
Please help me answer this ASAP! I will leave a big like! Part A: Calculate the induced emf. Express your answer to two significant figures and include the appropriate units. In Figure 1, the rod moves with a speed of 1.1 m/s on rails 27.0 cm apart. The rod has a resistance of 2.7 Ω. The…
Part A A fixed 20.0-cm-diameter wire coil is perpendicular to a magnetic field of 0.68 T pointing up. In 0.30 s, the field is changed to 0.30 T pointing down. What is the average induced emf in the coil? Value: Units: Submit Request. Answer
Question 3: The farther the electric field lines, the (a) greater the magnitude of the field in that region. (b) less the magnitude of the field in that region. (c) Neither A nor B. (d) Both A and B.
These are general scenarios where the actual questions will have numerical values where there currently are variables. Scenario 1 may have to do with capacitor charging and time. Scenario 2 may have to do with a magnetic fields and forces between the wires. Scenario 3 may have to do with flux…
The greenhouse gas carbon dioxide molecule CO2 strongly absorbs infrared radiation when its vibrational normal modes are excited by light at the normal mode frequencies. CO2 is a linear triatomic molecule, as shown in Figure 1, with oxygen atoms of mass mO bonded to a central carbon atom of…
A telescope mirror has a radius of curvature of 19.8 m. It is used to take a picture of the Moon (radius 1740 km, distance from Earth 375,300 km). What is the diameter of the image of the Moon produced by this mirror?
[a] The centripetal force. [b] The friction between the tire of the road and the tire of the toy car provides the centripetal force. Knowing this fact, find the coefficient of friction between the tire and the road. [Q2] 15 + 15 = 30 Points. A 10.0 kg wood block rests on a 100.0 m long plane…
Your answer is incorrect. A 4.00 m^2 wall consists of a slab of wood (oak, 3.27 cm thick), a 17.5 cm wad of wool insulation, and then another slab of wood, 3.08 cm thick. What is the total conduction rate through this wall if the temperature difference between inside and outside is 21.9 K? 863…
Two cars traveling with the same speed move directly away from one another. One car sounds a horn whose frequency is 422 Hz and a person in the other car hears a frequency of 387 Hz. What is the speed of the cars? m/s Submit Boquest Answer
Car A has velocity 55 km/h and acceleration -0.7 m/s2. Assume positive to the left. Car B has constant velocity 43 km/h. Radius is 100 m. Find magnitude and direction of relative velocity vector VA/B. Find magnitude of relative acceleration aA/B. A 30 R
Find Uncertainty? A B C 1 2 3 4 5 6 7 8 mâ‚ (g) mâ‚‚min (g) mâ‚‚max (g) mâ‚‚avg (g) mâ‚‚diff/2 (g) 377.67 130 132 131 1 angle = 9.6 degrees
A certain wave has a speed of 160 m/s and a wavelength of 0.4 m. Find the frequency and period of the wave. Show your work. (You can type it into the box below or write it on your own paper and upload an image.) Ineed-ahint BIVXX
Suppose that an object of mass m is dropped at a height h from the ground. Show that the object's speed just before hitting the ground is given by the equation:
A collection of 100 non-interacting particles, each with a mass of 1 g, has an initial 5 J of internal energy in the form of translational kinetic energy with an equal contribution from each particle. When 75 J of heat is added to this collection, it goes equally towards increasing the…
A rotating uniform cylindrical platform of mass 240 kg and radius 58 m slows down from 40 rev/s to rest in 12 s when the driving motor is disconnected. Estimate the power output of the motor (hp) required to maintain a steady speed of 4.0 rev/s. Express your answer using two significant…
3) Two masses, m1 = 5 kg and m2 = 6 kg, are connected by a massless thread and are strung over a pulley of radius r = 0.5 m and moment of inertia I = 0.01 kgm^2. The two masses are held motionless at the same height (h = 0 in the diagram) and then released from rest. h = ? m2 A. After m2 has…
1) A puck moving with some speed v collides with a bar that is suspended from the ceiling. Before the collision, the angular momentum of the puck, as measured from the pivot point (marked x) has a direction:----- • A. Out of the page • B. Into the page • C. To the right • D. Up • E. None of…
Set up the equation to find x from problem 4.
nm wavelength of the electron, assuming that its final speed is not relativistic? 6. An electron, starting from rest, accelerates through a potential difference of 29.0 V. What is the final de Broglie
2. Find A to normalize this wavefunction = A sin(kx) where x = 0 except from 0 to L. 3. What is the expectation value of x from #2?
A2.3 mW laser produces a beam ol light with a diameter ol 2.1 mm shines its light on a perfectly absorbing surface. Part B What is the radlation pressure exerted by the beam? Express your answer using two significant figures. x.10 pressure
At this instant, a satellite sent to the Moon is at the position shown below. (The picture is not shown to scale.) Satellite 16. Approximately, what will be the satellite's position after a time interval of one day (86,400 s)? Use the iterative approach and assume this is a small time interval…
Rod A in the figure below reciprocates up and down 50 times in 40 seconds due to the action of the rotating cam B. Determine the angular speed of cam B in rad/min.
A coil with diameter of 0.5 m and length of 0.7 m is wound with 100 turns of wire H/m?
An object is traveling at a constant 20 m/s in a circular path. Which of the following are true? 1. The magnitudes of the velocity and the acceleration are changing with time. 2. Only the velocity is changing with time. 3. The velocity and the acceleration are not changing with time. 4. Only…
The electric field in a gamma-ray beam reverses direction approximately 10^20 times each second. In a beam of infrared light, this reversal occurs approximately 10^12 times per second. Therefore, the energy of a photon of infrared light is: A. more than a million times smaller than that of a…
DETAILS OSCOLPHYS20168.2.WA.009 A particle with a mass of 2.05 kg is acted on by a force Fx acting in the x-direction. If the magnitude of the force varies in time as shown in the figure below, determine the following: Fx (N) 3 4 t (s) 5 1 2 (a) impulse of the force (in kg m/s) kgm/s (b) final…
Chapter 19 Homework Problem 19.34 24 of 26 Review I Constant Part A Determine the currents I1, I2, and I in Figure 1. Assume the internal resistance of each battery is 1.5 Ω. AE I2Is Submit Request Answer Figure 1 of 1 Part B 12.0 V What is the terminal voltage of the 6.0-V…
9. The pendulum on a cuckoo clock is 24.00 cm long. What is its frequency?
8. A 0.200-kg mass suspended from a spring oscillates with a period of 1.50 s. What is the force constant of the spring?
7. Suppose a 0.350-kg ball is thrown at 18.0 m/s to a motionless person standing on ice who catches it with an outstretched arm, as shown below. The person's mass is 75.0 kg. (a) (b) (a) What is the final linear velocity of the person? (b) Treat the person as a uniform cylinder of radius 1.80 m…
6. A disk slides toward a motionless stick, nailed down at one end, on a frictionless surface. The disk hits the stick at one end and adheres to it, and they rotate together, pivoting around the nail. Suppose this disk has a mass of 300 g, a radius of 1.00 cm, an initial rotational velocity of…
5. A solid cylinder with a mass of 150 g and a radius of 8.0 cm moves down a 30 incline. The static frictional force pointing up the incline causes the cylinder to roll without slipping. (a) What is the coefficient of static friction between the cylinder and the incline? (b) If the cylinder…
An ar-track gider attached to a spring oscillates with a period of 1.5s. At t=0, the gider is 530 cm left of the equilibrium position and moving to the right at 38.5 cm/s.
4.(a) What is the angular momentum of an ice skater spinning at 5.00 rev/s given their moment of inertia is .450 kg-m2? (b) The skater reduces their angular velocity by extending their arms and increasing the moment of inertia. What is the new moment of inertia if their angular velocity…
The figure shows that two boxes are connected by a weightless cord running over a very light, frictionless pulley. Box A, of mass 6.0 kg, is initially at rest on the top of the table. The coefficient of kinetic friction between box A and the table is unknown. Box B has a mass of 10.0 kg, and…
1. The Moon has a mass of 7.35 1022 kg and a radius of 1.74 106 m. The Moon makes one full rotational spin in 27.3 days, the same time it takes to make one complete orbit around the Earth The distance between the Moon and the Earth is 384.4 106 m. a) What is the angular momentum of the Moon…
An ideal air-filled parallel-plate capacitor holds a fixed amount of equal but opposite charge on its plates. If the plate diameters are now halved and the plate separation is doubled, what happens to each of these quantities: (circle the correct option, and write the change factor, if…
Vertical. Determine the following: 1. Magnitude of the tension force T of the pulley system. 2. The x and y components of the reaction force R. 3. The magnitude and direction of the reaction force (as measured from the positive x-axis). Set up on Interactive Physics and measure T, R_x, R_y, R…
Among the highest and lowest natural air temperatures claimed are 136°F in the Libyan desert and -129°F in Antarctica. What are these temperatures on the Celsius scale? Part A What are these temperatures on the Celsius scale? Express your answers using two significant figures separated by a…
A) The relativistic momentum of the Particle B) The rest mass of the particle
41. V What is the average kinetic energy of a molecule of oxygen at a temperature of 300 K?
I need help on both Part A and B. Constants: Periodic Table Find an expression for a wave with the same amplitude, wavelength, and frequency but traveling in the opposite direction. A transverse wave on a wire is given by Dt = 0.050 sin(21x-ft), where D and t are in meters and seconds…
Find the magnitude (in N/m) and direction (in degrees counterclockwise from the +x-axis) of the force that each wire experiences in the figure by using vector addition. (Assume that the +x-axis is to the right and the +y-axis is up along the page.) (this is the closest picture I could find to…
Awave is described by y(x,t) = 0.1sin(3x+10t), where x is in meters, y is in centimeters, and t is in seconds. The angular wave number is: A) 0.10 rad/m B) 10 rad/m C) 10Ï€ rad/m D) 3.0 rad/m E) 3Ï€ rad/m
Awave is described by y(x,t) = 0.1sin(3x - 10t), where x is in meters, y is in centimeters, and t is in seconds. The angular frequency is: 10Ï€ rad/s
The image formed by a convex spherical mirror with a focal length of magnitude 12.9 cm is located one-third of the object-mirror distance from the mirror. (Include the sign of the value in your answers.) a) What is the distance of the object from the mirror? 25.8 cm b) Is the image formed by…
4-293 A heavy block of weight W can be raised and lowered along a smooth vertical guide by a horizontal force P applied to a wedge of negligible weight below W as shown in Fig.P4-293. Assume that the coefficient of friction at all contact surfaces is and that W = 2500 lb, a = 10, and μ = 0.3.…
A particle is shot into a magnetic field region as shown in the figure. If the particle is shot in with a speed of u = 360 m/s, has a charge of q = 90.5 C, and a mass of m = 5 mg, how strong must the magnetic field be? The magnetic field is equal to 198895.
Two polarizers are oriented at 32° to one another. Light polarized at a 16.0° angle to each polarizer passes through both. What is the transmitted intensity?
A simple magnifier has a maximum magnification of 2.2. If the focal length of the lens is 16.2 cm, what is the near point of the person using the magnifier (in cm)?
An obiect that is 5mm tall is located 41cm in front of a lens. A virtual image is formed at a distance 10.3cm from the lens. What is the focal length of the lens (in cm)?
The loop in the figure has an induced current as shown. The loop has a resistance of 0.25 Ω. What is the rate of change of the field, ΔB/Δt? Part A Is the magnetic field strength increasing or decreasing? increasing decreasing Correct. Here we learn how to apply Lenz's law. Part B What is the…
7. A particle has a de Broglie wavelength of 3.00 x 10^-10 m. Then its kinetic energy doubles. What is the particle's new de Broglie wavelength, assuming that relativistic effects can be ignored? 8. A proton is located at a distance of 0.050 m from a point charge of +8.00 C. The repulsive…
Problem 5: When a switch is closed, a compass needle deflects from the initial to final direction, as shown in the figure. Say everything you can about this circuit. Battery Top view Final Initial Compass under wire
A pipe is open at one end and closed at the other. Its fundamental resonant frequency for sound is fo, wavelength is λo, and wave speed is vo. If the same pipe is now open at both ends, which parameters will best describe the new fundamental mode resonance? a. 0.5fo, 2vo b. 2fo, 0.5λo, 0o c.…
In this monument to man's arrogance, in this glistening oasis, vast quantities of power stream in from the desert to power its operation. Vast solar arrays from the Ivanpah facility, and even more monumental amounts travel overhead streaming from Hoover Dam's hydroelectric facilities. 1. Hoover…
How much electrical resistance does a particular metal offer if the electricity goes through a cross section of the material with an area of 0.019 m^2 and the resistivity of the material is 3.82 Ω·m? Round your answer to 2 decimal places. R = unit Question 32 2 pts Details When two charges…
The magnetic field through a circular loop of radius r = 9 cm varies with time, as shown. The direction of the field is perpendicular to the loop. A. What is the magnitude of the induced emf, ε1, in millivolts, at time t1 = 1.0 ms? B. What is the magnitude of the induced emf, ε2, in…
A hollow cubical box is 0.20 m on each edge. The box floats on the surface of water with one-third of its height beneath the surface. What is the mass of the box?
Current Attempt in Progress: The figure shows a stream of water flowing through a hole at depth h = 645 cm in a tank holding water to height H = 30A cm. a) At what distance does the stream strike the floor? b) At what depth should a second hole be made to give the same value of (c)? c) At what…
c) Using the fact that the voltage needs to drop from V to zero after crossing both resistors, the junction rule, and applying Ohm's law to each resistor, find the equivalent resistance RA in terms of R1 and R2. d) Using the fact that the voltage drops from V to zero across either resistor, the…
A small ball tied on a thin line starts to move SLOWLY (balanced at each point) under a horizontal force F until an angle θ. How much work is done by: (1) F, (2) gravity?
Calculate the support reactions and the forces in members 1, 2, and 3 of the truss system given below in terms of P. State whether they are in tension or compression. Give your final answers as S1, S2, and S3. Don't change the numbering of the members.
Problem 27.22 Determine the y-component of the force on the electron. Express your answer using two significant figures. An electron moves with velocity = (6.4i + 5.5j + 10m/s) in a magnetic field B = (-0.83i + 0.67j) T. F = 0N Submit Previous Answers Correct Part C MasteringPhysics: HW7…
please I need the answer of b just b 2.For N molecule of a classical gas, use the equipartition energy principle to calculate the energy and heat capacity if: a)The molecules are free to move in space b) The molecules constrained to move in a plane c) if the molecules move in a straight line d)…
A) The charge will move to the right with constant velocity. B) The charge will move to the left with constant velocity.
In the figure, q1 = 5 µC and q2 = -8 µC charges, 3 m apart, are fixed at their locations. Between these two charges, a charge q3 = 1 µC with a mass of m3 = 1 g is thrown from point A in the direction of q1 with a speed of 10 m/s. How close is it to the q1 charge?
Hydrogen spontaneous decay lifetimes, atomic susceptibility A. The transition 2P-1S in hydrogen has several contributions. Evaluate 1,0,0z^2,1,0; 1,0,0x^2,1,1; 1,0,0y^2,1,1 and compute |1S|r|2P|. Find the frequency of the transition and compute its lifetime T=1/R. B. Compute 1,0,0e&r cos^3,1,0.…
A police car sounding a siren with a frequency of 1280 Hz is traveling at 110.0 km/h. Part B What frequencies are heard in a car traveling at 80.00 km/h in the opposite direction before and after passing the police car? Enter your answers numerically separated by a comma. before, after = 1500,…
Q4Two equal point charges q=q=2C are placed at a distance of 4m from cach other. What is the electric field at the midpoint between the two charges? A9.0x10N/C B4.5x10N/C q,0. the. C2.25x10N/C +2C 4m +2C D)Zero
What is the amplitude of the subsequent oscillations? A 0.800 kg block is attached to a spring with a spring constant of 14.0 N/m. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 35.0 cm/s. Express your answer with the…
A Path A B Path B C Path C D Path D
A 0.6 kg mass attached to a 1.2 m long string is whirled around in a horizontal circle at a speed of 6 m/s What is the centripetal acceleration of the mass? a Click for List
Particles are emitted from a radioactive source at a speed of 1.81 m/s.
An archer shoots an arrow at an angle of 18° from the horizontal at an initial speed of 34.4 m/s. Ignoring air resistance, determine: (a) the time it will take for the arrow to strike the ground, and (b) the range of the arrow. (a) t = (b) x = 430
Special Relativity: Problem 5 (1 point) Pions have a mean lifetime 2.6 10-8 s when at rest. If they have a speed of 0.94c find: a) The mean lifetime measured in the laboratory frame is 2.93 ns. b) The distance traveled in one lifetime in the lab frame is m. c) The distance traveled in the…
Given the quantities a = 3.4 m, b = 9.5 s, and c = 86 m/s, what is the value of the quantity a3 cb2 d= Click for List
By using the appropriate Thermodynamic tables and making the necessary explanations, fill it in. a) T, °C H, kJ/kg x Faz tanimi 0.7 1800 0.0 P, kPa 200 140 950 500 800 80 3162.2 b) T, °C 8 30 refrigerant-134a - P, kPa 320 v, m3/kg Faz tanimi 0.015 180 600 Doygun buhar 80
A coaxial cable, consisting of a long, length L, straight wire with resistivity p inside an insulating layer of thickness t and an outer conducting layer, has a capacitance of C and resistance R. The cable is connected to an ideal battery, voltage Vo, with the positive connected to the inner…
Problem 4: A small stellar core is about to collapse and form a white dwarf. The initial mass of the core is M = 1.00*1030 kg (about a half of the solar mass), its radius is Rs = 7.00 * 105 km, and its period of rotation is T = 30.0 days. After the collapse the final radius of the white dwarf…
Sweating is one of the main mechanisms with which the body dissipates heat. Sweat evaporates with a latent heat of 2,430 kJ/kg at body temperature, and the body can produce as much as 1.7 kg of sweat per hour. If sweating were the only heat dissipation mechanism, what would be the maximum…
(a) Find the angle of incidence of a horizontal surface in Istanbul on the 5th of February at 10:00 o'clock which faces South (Latitude Angle for Istanbul = 41). General Angle Equation: Cosθ = Sinφ Sinδ Cosω - Sinφ Cosδ Sinω Cosy + Cosφ Cosδ Cosω Cosy + Cosφ Sinδ Sinω Cosy Cosω +…
Problem 3: A disk and a hollow sphere that have the same radius R = 10.0 cm and the same mass M = 1.00 kg are initially at rest on two identical inclined planes with angle of inclination 0 = 30.0'. The disk is placed at the initial height ho = 1.00 m and the initial height of the sphere hs is…
Problem 2: A disk and a hollow sphere that have the same radius R = 10.0 cm and the same mass M = 1.00 kg are rolling without slipping on the level surface with speeds vo and vs respectively. The kinetic energies of the two objects are equal. Find the ratio of speeds vp/vs.
Problem 1: A track consists of an inclined plane which ends in the loop of radius R = 1.00 m. A solid disk of mass M = 20.0 g and radius a = 1.00 cm is placed on the top of the inclined plane. The disk rolls on the track without slipping Find the minimum height h where the disk can be placed so…
Two identical solid spheres of the same mass M and the same radius R are rotating with the same angular speed ω about the axes shown in the figure: A B Sphere A is rotating about the axis passing through its center. The rotational kinetic energy of Sphere A is Ka. Sphere B is rotating about…
Consider a solid disk and a solid sphere that have equal radii R = 1 m and equal masses M = 5 kg. Both objects are rolling without slipping with the same center of mass speed v = 1 m/s on the same level surface. The kinetic energy of the solid disk is Kp and that of the solid sphere is Ks. The…
Consider a solid disk and a solid sphere that have equal radii R = 1 m and equal masses M = 5 kg. Both objects are rotating with the same angular speed ω = 1 rad/s about the axes passing through their centers. The kinetic energy of the solid disk is Kd and that of the solid sphere is Ks. The…
201 - Final Exam Practice Chapters 7-16 - Final Exam Answers Given - Word (Product Activation Failed) - View Acrobat - Q Tell me what you want to do File Home Insert Design Layout Mailings Share Calibri (Body; *18 AAa 2 AaBbCcDd AaBbCcDd AaB bCc AaBbCcL AaB AaBbCcD ABbCcDd ABbCcDd Eg Copy…
An artificial satellite circling the Earth completes each orbit in 139 minutes (a) Find the altitude of the satellite in m [Select] (b)What is the value of g at the location of this satellite in m/s2?[Select]
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Consider the following three objects, with their axes of rotation labeled with x in the figures: Solid disk A of radius R = 1 m and mass M = 1 kg is free to rotate about the axis passing through the edge of the disk. Solid disk B of radius R = 1 m and mass M = 1 kg is free to rotate about the…
Three weights are attached to a massless rod of length L = 4 m as shown in the figure: two weights of mass M1 = 2 kg are attached at the ends, and a weight of mass M2 = 8 kg is attached at the center of the rod. You can assume that the weights are point masses, i.e. they have negligible…
A horse starts from rest and gallops to a speed of 54.3 km/h in 2.53 s. Assuming the horse has accelerated uniformly, determine the distance it runs. X = ?
Determine the force in each member of the truss by methods of joints and state if the members are in tension or compression. Set P = 3 kN. P = 6 kN.
A B C D E Implement the circuit shown above using NOR gates only
A horse starts from rest and gallops to a speed of 54.3 km/h in 2.53 s. Assuming the horse has accelerated uniformly, determine the distance it runs X= Click for List
second answer is wrong A compact discCD) contains music on a spiral track.Music is put onto a CD with the assumption that.during playback,the music will be detected at a constant tangential speed at any point.Sincev=rw.a CD rotates at a smaller angular speed for music near the outer edge and a…
Total radiation is calculated and drawn for the latitude of 42° 42' N. The total radiation vs slope angle curves are calculated for the latitudes of 42° and 36°.
DETAILS SERCP1112.4.P.046.MI. MY NOTES ASKYOURTEACHER PRACTICE A heat engine operates in a Carnot cycle between 84.0°C and 345°C. It absorbs 2000 J of energy per cycle from the hot reservoir. The duration of each cycle is 3.00 s. a) What is the mechanical power output of this engine? Tkw b)…
86Sr has even numbers of both protons and neutrons. Calculate A = 1u = 931.5 MeV/c^2. Give your answer to at least three decimal places. 7.509 X MeV/nucleon. Compare your result with the approximate value obtained from the graph in the figure below. Fe Zn Kr Mo To Sm . Lu Hg R H 2 TH 0 50 100…
Problem 3 (20 points) [Electric Potential] A uniform electric field of magnitude 325 [V/m] is directed in the negative y direction. The coordinates of point A are (-0.2, -0.3) [m], those of point C are (-0.2, 0.5) [m], and those of point B are (0.4, 0.5) [m]. Calculate the following electric…
A metal advertising sign (weight w) is suspended from the end of a massless rod of length L. The rod is supported at one end by a hinge at point P and at the other end by a cable at an angle θ from the horizontal. Which of these forces is least? A. the weight of the sign B. the tension in the…
Please, I need help. Thank you so much. I will give thumbs up. The charges and coordinates of two charged particles held fixed in an xy plane are q = 3.29 C, x = -2.89 cm, y = 0.891 cm and q = 4.21 C, x = -2.61 cm, y = 1.72 cm. Find the (a) magnitude and (b) direction with respect to the…
A mass M slides without friction on the roller coaster track shown in Figure 1. The curved sections of the track have a radius of curvature R. The mass begins its descent from the height h. At a height from h, the mass is at the point of inflection where it begins to lose contact with the…
In the figure, a ray of light is incident on the flat surface from within a material with refractive index n = 1.60. The incidence angle θ = 40 degrees. The refractive index of the second material n = 1.30. What is the refracted angle, θ'? degrees What is the critical angle for this pair of…
A capacitor with capacitance C holds charge Q. The capacitor is connected to an inductor L to create an LC circuit with negligible resistance, as shown above. What is the maximum current in the circuit?
Two meteoroids are heading for Earth. Their speeds as they cross the Moon's orbit are 2.0 km/s. Part B: The second misses the Earth by 5500 km. What is its speed at its closest point? Express your answer with the appropriate units.
Which of the following can exhibit wave-like behavior? 1. Light 2. Electron 3. Proton A. Only 1 B. Only 1 and 2 C. All in the list D. Only 2 and 3
Which of the following equations gives the energy of a particle of light, also known as a photon? Note: h is Planck's constant, f is frequency, λ is wavelength, c is the speed of light, and p is momentum. 1. hf 2. hc/λ 3. p/λ 4. Both 1 and 2 5. All in the list 6. Only 3 7. None of the above
Circular Motion 5: A particle travels in a circle of radius 10 m at a constant speed of 20 m/s. What is the magnitude and direction of the centripetal acceleration? If the mass of the particle is 5 kg, find the centripetal force. 6: There is a dust particle on the edge of a circular disk on a…
Which of the following experiments needs the particle nature of light to explain its results? 1. Blackbody radiation 2. Photoelectric effect 3. Two-slit experiment Only 2 Both 1 and 2 Both 1 and 3 All in the list
An infinite straight wire carries current I1 = 3.6 A in the positive y-direction as shown. At time t = 0, a conducting wire, aligned with the y-direction, is located a distance d = 61 cm from the y-axis and moves with velocity v = 16 cm/s in the negative x-direction as shown. The wire has…
Current AttemptinProgress Thefigureshows a devicethat can beused to measure the speedofabullt The device consists of tworotating dik separated by distance of d-O.856mand rotatingwith an angular speed of 103rad.Thebullet hrst passes through the eft dik and then through the right disk It is…
Problem 27.25 Constants & Periodic Table Part A A proton moves through a region of space where there is a magnetic field B = 0.63i + 0.36j T and an electric field E = 3.24i + 3.10j + 5.2k V/m. At a given instant, the proton's velocity is v = 5.6i + 3.1j + 5.2k m/s. F = q(E + v × B) F =…
All the current in a 180 mH coil changes steadily from 23.0 A to 11.0 A in 290 ms. What is the magnitude of the induced emf? Express your answer to three significant figures and include the appropriate units.
Text: Identify the following: ECR Buzzer D B CR HH CR C [Choose] Holding contact A Coil Start push button B NC contact Float switch [Choose]
Find the net torque and direction of the torque in the following figure. Problem N 0.6 N 6.5 N
ASK YOUR TEACHER A 350-g aluminum cup contains 700 g of water in thermal equilibrium with the cup at 70°C. The combination of cup and water is cooled uniformly so that the temperature decreases by 1.1°C per minute. At what rate is energy being removed? Express your answer in watts. XW
Consider orthogonal electric and magnetic fields E=Ex and B=-B2. Suppose a beam of ionized carbon ions passes through these fields with velocity v=vy. What is the force acting on the beam? Show that if the velocity of the beam is less than a critical value v, the ions collide with the negative…
A proton charge (e), mass (mp), an electron charge (-e), mass (me), and a particle charge (2e), mass (4mp) enter a uniform magnetic field. Each has kinetic energy (K). Each moves in a path with a radius (rp) in terms of the electron and particle.
Find the following: a) 1x+2g+32x1x+3y+2 b) 1+3y+221+2+3 c) 1+1y+1x2x+2y+22 d) -1x+1y+122x+2y+22 e) -1x+1+12x2x+2y+2-1x+1y+1 f) (-1x+1y+12x2x+2y+22-1+1y+-12
Determine the inductance I of a 0.40-m-long air-filled solenoid 2.6 cm in diameter containing 8900 loops Express your answer using two significant figures. AO 1.32103 H You have already submitted this answer.Enter a new answer No credit lost.Try again Submit Previous Answers Request Answer
A certain light truck can go around a flat curve having a radius of 150 m with a maximum speed of 28.5 m/s. a) What is its maximum centripetal acceleration before skidding (in m/s^2)? [Select] b) With what maximum speed can it go around a curve having a radius of 78.5 m (in m/s)? [Select]
Show Attempt Histox Current Attempt in Progress Your answer is partially correct. In an interstellar gas cloud at 59.1 K, the pressure is 1.40 x 10^-Pa. Assuming that the molecular diameters of the gases in the cloud are all 22.1 nm, what is their mean free path?
An object having an initial momentum that may be represented by the vector below strikes an object that is initially at rest. Which of the following sets of vectors may represent the momenta of the two objects after the collision? Select one: a. b. c. d. e.
26. Analyze the following sequential circuit, write down the input and output equations and the future states for Q1 (A) and Q2 (B). Also, draw the state diagram from the state table. A B X Q K Q
1.5 pF 39 pF 4 pF 0.04 pF
Question 2 of 12 - / 1 : View Policies Current Attempt in Progress An electron is trapped in a one-dimensional infinite well of width 390 pm and is in its ground state. What are the (longest, b) second longest, and (c) third longest wavelengths of light that can excite the electron from the…
A 981-kg satellite orbits the Earth at a constant altitude of 101 km. (b) What is the change in the system's kinetic energy? (c) What is the change in the system's potential energy? Need Help? Read It Watch It
I'm blanking on where to start. Any help is appreciated. Determine the small-oscillations period for a physical pendulum consisting of a thin rod of mass 3M and length 2R that is attached to a hoop of mass M and radius R. The axis of rotation is at the end of the rod that is opposite the hoop.
An object is placed in front of a spherical mirror. In which case is the formed image virtual, upright, and larger? A. Concave mirror with object distance greater than focal length B. Convex mirror with object distance greater than focal length C. Concave mirror with object distance less than…
A particle of mass m moves in one-dimensional motion through a field for which the potential energy of the particle-field system is U, where A and B are constants. a) Find the equilibrium position x of the particle in terms of m, A, and B. (3%) b) Determine the depth of U, the potential well.…
magnetic field in the pulse? B
Average resistance of a circuit with two resistors in series to produce a potential difference that is less than that of Circuit A (Figure 1 shows the circuit). Assuming R=480Ω. Part A: What should the resistance R be such that the potential difference across R is one-third that of Circuit A?…
The atoms of an NaCl molecule are separated by a distance r = 0.280 nm. Calculate: (a) the reduced mass of an NaCl molecule. (b) the moment of inertia of an NaCl molecule. (c) the wavelength of radiation emitted when an NaCl molecule undergoes a transition from J = 2 state to the J1…
Please show your work, thanks!! In the figure below, the current in the long, straight wire is 5.10 A, and the wire is in the plane of the rectangular loop which carries 12.4 A. The dimensions shown are c = 0.100 m, b = 0.150 m, and E = 0.450 m. Find the magnitude and direction of the net…
Tenses: Convex or Concave? Focal Length: Vcm Type of Lens: Convex Concave
A long solid cylindrical conductor has a radius of 10 cm. The electric field 20 cm from the axis of the cylinder has a magnitude of 904 N/C. What is the surface charge density on the cylinder? Organize the given and unknown quantities using appropriate symbols.
4, A 0.33[kg] pendulum bob is attached to a string that is 1.2[m] long. What is the change in potential energy of the system as the bob swings from point A to point B? /5
please hurry. i need both the direction and speed of the red stone. ive asked this question a number if times and have yet to receive a correct answer Curling Stone Momentum Problem Motion of Stones Before the Collision 22.4kg 19.3kg Motion of Stones After the Collision Determine the Post…
Please explain what each formula is used for, and what each variable means. Equations and constants: Zoom: 80% l2 - l = ml, m = 0, 1, 2,... l - l = (m + a, m = 0, 1, 2,... m = 0, 1, 2, ... a, m = 1, 2, 3,... to t = v^2 v^2 = c^2 mv^2 mc^2 Eo = mc^2 KE = E - Eo E = hf h = 6.626 x 10^-34 s 1f =…
Which of the following correctly describes momentum and impulse? MOMENTUM IMPULSE a. vector vector b. vector scalar c. scalar vector d. scalar scalar Select one: O a. B O b. C O c. A O d. D
A 15 N force is applied to a 5.0 kg block as shown. What is the normal force on the block? A. 37N B. 40N C. 49N D. 58N
8. Draw diagrams for a 75-ohm and a 100-ohm resistor connected in series and connected in parallel: Series Parallel 9. In the following circuits, tell which resistors are connected in series, which are connected in parallel, and which are neither in series nor parallel. B A B C C D (E) (B) A B…
2) Consider Young's Two-slit Experiment setup. When you shine a laser so it passes through two slits, you see a fringe pattern on a sheet which is 2.6m from the slits, which are 0.03mm apart. Each bright spot and each dark gap is 5mm wide. a. What is the wavelength of the light emitted from…
The wire described in (2) is removed. What happens to the brightness of each of the three bulbs and to the current flowing through point 2 if a wire is connected from the battery terminal at point 2 to the socket terminal at point 5? The circuit is returned to its original state. A fourth bulb…
I need help with the percentage error!! Group Members: Matthew Meneces Verify Archimedes' Principle Mass (g): 10g, 20g, 50g, 100g, 200g Mair (g): 10.25g, 20.55g, 50.35g, 100.5g, 200.65g Mwater (g): 9.15g, 17.5g, 44.4g, 85.6g, 172.5g MB (g): 1.1g, 3.05g, 5.95g, 14.9g, 28.15g V (cm3):…
What is the wavelength? Figure 1 of 1 D (cm) 2 m/s x m 1.0 0.5 Snapshot graph at t=0s
I need help getting the density of a liquid and calculating the percentage error! Density of Unknown Liquid Mass = 50g Liquid Water Mass (g) 50.35g 50.35g Mass of liquid (g) 44.4g 44g Mass of beaker (g) 5.95g 6.35g Unknown Density of Liquid: 1.07g/cm^3 Standard: 0.9g/cm^3 Error (%): 0.7%
Two identical balls A and B are separated by a distance d. Both balls have the same positive charge +Q, and both are free to move. The mass of ball A is greater than the mass of ball B. a) Which ball experiences a larger force? Explain. b) Which ball experiences a larger acceleration?…
DETAILS SERCP1116.6.P.040. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Two capacitors give an equivalent capacitance of 9.90 pF when connected in parallel and an equivalent capacitance of 1.86 pF when connected in series. What is the capacitance of each capacitor? Smaller capacitor: pF Bigger…
What is the impedance (in Ω) of a circuit containing a 75 Ω resistor, a 250 mH inductor, and a 250 µF capacitor connected to an AC power supply with a peak voltage of 170 V and a frequency of 60 Hz?
Two pulses traveling on the same string are described by the following equations, where k = 5 and w = 6. 5 5 (a) In which direction does the first pulse travel? ) +x O-x +y In which direction does the second pulse travel? +x O-x +y (b) At what instant do the two pulses cancel for all x? (c) At…
An object with a height of 4.2 mm is a distance of 25.3 cm to the left of lens f with a focal length of 23 cm. At a distance of 93 cm to the right of lens is lens with a focal length of 37 cm. Determine the location of the final image with respect to lens f i (in cm).
The angle of refraction of a ray of light traveling through an ice cube is 44°. Find the angle of incidence. Express your answer using two significant figures. Submit Previous Answers Requested Answers Incorrect. Try Again. 18 attempts remaining. Provide Feedback
Circle or box your final answers. Be sure to include the units. cos = adjacent tan = opposite 52 hypotenuse hypotenuse adjacent D = r F = ma = F = -F w = mg fun fk = n 1.14 points A mass is hung from two ropes as shown. Rope 1 is attached to a wall and is horizontal. Rope 2 is attached to a…
1. C & D only Part A An X-ray photon scatters from a free electron at rest at an angle of 125 relative to the incident direction. If the scattered photon has a wavelength of 0.320 nm, what is the wavelength of the incident photon? Express your answer using three significant figures. = 0.316…
Please show your work, thanks!! A proton moving at 6.00 x 10^6 m/s through a magnetic field of magnitude 1.78 T experiences a magnetic force. Enter both positive angles from 0° to 360°. Smaller value represents the larger value. Need Help? 7.0 x 10^13 N. What is the angle between the proton's…
Part A A lens that is optically perfect is still limited by diffraction effects. Suppose a beam of light with a wavelength of 600 nm is incident on this lens. Find the angle formed by this beam at the focal distance of the lens. Part B What is the width (diameter) of the central maximum at the…
Please show your work, thank you! 0d20x10 Find the magnitude of the magnetic force acting on the ion and the magnitude of the ion's acceleration. (0)the
Curling Stone Momentum Problem Motion of Stones Before the Collision 22.4 kg 19.3 kg Motion of Stones After the Collision Determine the Post-Collision Speed and Direction of the Red Stone 22.4 kg 19.3 kg 106 kg·m/s 1.63 m/s End
What is the momentum of an 80 kg runner who covers 1000 m in 300 s running at a constant velocity?
Find V1, V2, and R4 please. Consider the circuit shown below. Find V, V2, and R. WW = 4A, R = 6 12 = 3A, WW R = 4 14 = 2A 3 = 1A, WW R - 6 15 = 3A V2 R4 6 = 1A R5 = 4 WW Diagram Description
Enter the value and unit for each of the Moments of Inertia listed below: (a) DISK: R = 0.62 kg·m^2, M = 50.0 kg (b) THIN HOOP: R = 0.62 m, M = 50.0 kg (c) ROD about its center: Length, L = 0.62 m, M = 50.0 kg (d) CYLINDER: R = 0.62 m, M = 50.0 kg (e) HOLLOW CYLINDER: R_outer = 0.62 m, R_inner…
Figure 1 shows three points near a very long charged rod. The distance between A and B, the distance between A and C, and the distance between B and C are all equal. A If an electron moves from B to C, would the work done by the electric field be positive, negative, or zero? Explain. Draw…
Suppose a piece of dust finds itself on a CD. If the spin rate of the CD is 950.0 rpm and the piece of dust is 1.8 cm from the center, what is the total distance traveled by the dust in 3.6 minutes? (Ignore accelerations due to getting the CD rotating) Enter to 3 SigFigs in proper metric units.
A body of mass 2.4 kg makes an elastic collision with another body at rest and continues to move in the original direction but with 1/2 of its original speed. What is the mass of the other body? What is the speed of the two-body center of mass if the initial speed of the 2.4 kg body was 5.2…
Block 1 of mass mslides along a frictionless floor and into a one-dimensionalelastic colisionwith stationary block2ot mas m=6.Om.Prior to the collision,the center of mass of the two-block system had aspoedof 6.Om/sAlterward.whatare thesoc (a)the center of mass and(b)block2? (aNumber Units (b)…
Please help me answer this ASAP! I will leave a big like! Part A: A generator rotates at 81 Hz in a magnetic field of 0.055 T. It has 650 turns and produces an rms voltage of 160 V and an rms current of 55.0 A. What is the peak current produced? Express your answer to three significant figures…
A 2200-µF capacitor is charged to 170 V and then quickly connected to an inductor. The frequency of oscillation is observed to be 18 kHz. Part A: Determine the inductance. Express your answer using two significant figures. L = 6 H Submit Best Answer Part B: Determine the peak value of the…
Please help me answer this ASAP! I will leave a big like! Part A: A 3100-pF capacitor is connected in series to a 39.0-ohm coil of resistance 4.80 Ω. What is the resonant frequency of this circuit? Express your answer to three significant figures and include the appropriate units. C: Value:…
Please help me answer this ASAP! Will leave a big like! Part A Determine the total impedance. An RC circuit is connected to a 10.5 kHz, 745 Vrms source. L = 29.0 mH, R = 8.20 kΩ, and C = 6550 pF. Express your answer to three significant figures and include the appropriate units. Value:…
Please help me answer this ASAP! I will leave a big like! Part A: Determine the inductance (L) of a 0.60 m long air-filled solenoid 3.1 cm in diameter containing 8400 loops. Express your answer using two significant figures. H Submit Request Answer
The temperature is 3.10°C, and the capacitor is charging. (a) What is the total energy in the circuit? (b) What is the maximum charge on the capacitor? (c) What is the maximum current? If the charge on the capacitor is given by q = Q cos(t), what is the phase angle? Suppose the data are the…
a) Determine the maximum energy (in J) stored in the magnetic field of the inductor. 9.72E-5 J b) Determine the peak value of the current (in A). XA c) Determine the frequency of oscillation of the circuit (in Hz). Hz
Pre-Lab Activity (Write your answers on a separate sheet.) 1. What forces are acting on a mass that is hanging on a spring? Illustrate using a free-body diagram. 2. What can you say about the forces on the mass in its equilibrium position? 3. Describe what you expect will happen if the mass is…
Please help me answer this ASAP! I will leave a big like! Part A: If the current in a 130 mH coil changes steadily from 27.0 A to 12.0 A in 410 ms, what is the magnitude of the induced emf? Express your answer to three significant figures and include the appropriate units. Value: Units:…
09 Aq pazeredas aue, paqo 6y-S6y e pue paqo 6y-s61 v (a) Find the magnitude of the net gravitational force exerted by these objects on a 47.0-kg object placed midway between them. 0.0000002903 (b) At what position (other than an infinitely remote one) can the 47.0-kg object be placed so as to…
Please help me answer this ASAP! I will leave a big like! Part A A model train transformer plugs into 120-V AC and draws 0.35 A while supplying 7.6 A to the train. Express your answer to two significant figures and include the appropriate unit. Value: 7.6 A Units: A Request Answer Part B Is…
Please help me answer this ASAP! Will leave a big like! Part A: A step-up transformer increases 20 V to 120 V. What is the current in the secondary coil compared to the primary coil? Assume 100% efficiency. Express your answer using two significant figures. 0 Submit Request Answer
Please help me answer this ASAP! I will leave a big like! Part A: Calculate the induced emf. Express your answer to two significant figures and include the appropriate units. In Figure 1, the rod moves with a speed of 1.1 m/s on rails 27.0 cm apart. The rod has a resistance of 2.7 Ω. The…
Part A A fixed 20.0-cm-diameter wire coil is perpendicular to a magnetic field of 0.68 T pointing up. In 0.30 s, the field is changed to 0.30 T pointing down. What is the average induced emf in the coil? Value: Units: Submit Request. Answer
Question 3: The farther the electric field lines, the (a) greater the magnitude of the field in that region. (b) less the magnitude of the field in that region. (c) Neither A nor B. (d) Both A and B.
These are general scenarios where the actual questions will have numerical values where there currently are variables. Scenario 1 may have to do with capacitor charging and time. Scenario 2 may have to do with a magnetic fields and forces between the wires. Scenario 3 may have to do with flux…
The greenhouse gas carbon dioxide molecule CO2 strongly absorbs infrared radiation when its vibrational normal modes are excited by light at the normal mode frequencies. CO2 is a linear triatomic molecule, as shown in Figure 1, with oxygen atoms of mass mO bonded to a central carbon atom of…
A telescope mirror has a radius of curvature of 19.8 m. It is used to take a picture of the Moon (radius 1740 km, distance from Earth 375,300 km). What is the diameter of the image of the Moon produced by this mirror?
[a] The centripetal force. [b] The friction between the tire of the road and the tire of the toy car provides the centripetal force. Knowing this fact, find the coefficient of friction between the tire and the road. [Q2] 15 + 15 = 30 Points. A 10.0 kg wood block rests on a 100.0 m long plane…
Your answer is incorrect. A 4.00 m^2 wall consists of a slab of wood (oak, 3.27 cm thick), a 17.5 cm wad of wool insulation, and then another slab of wood, 3.08 cm thick. What is the total conduction rate through this wall if the temperature difference between inside and outside is 21.9 K? 863…
Two cars traveling with the same speed move directly away from one another. One car sounds a horn whose frequency is 422 Hz and a person in the other car hears a frequency of 387 Hz. What is the speed of the cars? m/s Submit Boquest Answer
Car A has velocity 55 km/h and acceleration -0.7 m/s2. Assume positive to the left. Car B has constant velocity 43 km/h. Radius is 100 m. Find magnitude and direction of relative velocity vector VA/B. Find magnitude of relative acceleration aA/B. A 30 R
Find Uncertainty? A B C 1 2 3 4 5 6 7 8 mâ‚ (g) mâ‚‚min (g) mâ‚‚max (g) mâ‚‚avg (g) mâ‚‚diff/2 (g) 377.67 130 132 131 1 angle = 9.6 degrees
A certain wave has a speed of 160 m/s and a wavelength of 0.4 m. Find the frequency and period of the wave. Show your work. (You can type it into the box below or write it on your own paper and upload an image.) Ineed-ahint BIVXX
Suppose that an object of mass m is dropped at a height h from the ground. Show that the object's speed just before hitting the ground is given by the equation:
A collection of 100 non-interacting particles, each with a mass of 1 g, has an initial 5 J of internal energy in the form of translational kinetic energy with an equal contribution from each particle. When 75 J of heat is added to this collection, it goes equally towards increasing the…
A rotating uniform cylindrical platform of mass 240 kg and radius 58 m slows down from 40 rev/s to rest in 12 s when the driving motor is disconnected. Estimate the power output of the motor (hp) required to maintain a steady speed of 4.0 rev/s. Express your answer using two significant…
3) Two masses, m1 = 5 kg and m2 = 6 kg, are connected by a massless thread and are strung over a pulley of radius r = 0.5 m and moment of inertia I = 0.01 kgm^2. The two masses are held motionless at the same height (h = 0 in the diagram) and then released from rest. h = ? m2 A. After m2 has…
1) A puck moving with some speed v collides with a bar that is suspended from the ceiling. Before the collision, the angular momentum of the puck, as measured from the pivot point (marked x) has a direction:----- • A. Out of the page • B. Into the page • C. To the right • D. Up • E. None of…
Set up the equation to find x from problem 4.
nm wavelength of the electron, assuming that its final speed is not relativistic? 6. An electron, starting from rest, accelerates through a potential difference of 29.0 V. What is the final de Broglie
2. Find A to normalize this wavefunction = A sin(kx) where x = 0 except from 0 to L. 3. What is the expectation value of x from #2?
A2.3 mW laser produces a beam ol light with a diameter ol 2.1 mm shines its light on a perfectly absorbing surface. Part B What is the radlation pressure exerted by the beam? Express your answer using two significant figures. x.10 pressure
At this instant, a satellite sent to the Moon is at the position shown below. (The picture is not shown to scale.) Satellite 16. Approximately, what will be the satellite's position after a time interval of one day (86,400 s)? Use the iterative approach and assume this is a small time interval…
Rod A in the figure below reciprocates up and down 50 times in 40 seconds due to the action of the rotating cam B. Determine the angular speed of cam B in rad/min.
A coil with diameter of 0.5 m and length of 0.7 m is wound with 100 turns of wire H/m?
An object is traveling at a constant 20 m/s in a circular path. Which of the following are true? 1. The magnitudes of the velocity and the acceleration are changing with time. 2. Only the velocity is changing with time. 3. The velocity and the acceleration are not changing with time. 4. Only…
The electric field in a gamma-ray beam reverses direction approximately 10^20 times each second. In a beam of infrared light, this reversal occurs approximately 10^12 times per second. Therefore, the energy of a photon of infrared light is: A. more than a million times smaller than that of a…
DETAILS OSCOLPHYS20168.2.WA.009 A particle with a mass of 2.05 kg is acted on by a force Fx acting in the x-direction. If the magnitude of the force varies in time as shown in the figure below, determine the following: Fx (N) 3 4 t (s) 5 1 2 (a) impulse of the force (in kg m/s) kgm/s (b) final…
Chapter 19 Homework Problem 19.34 24 of 26 Review I Constant Part A Determine the currents I1, I2, and I in Figure 1. Assume the internal resistance of each battery is 1.5 Ω. AE I2Is Submit Request Answer Figure 1 of 1 Part B 12.0 V What is the terminal voltage of the 6.0-V…
9. The pendulum on a cuckoo clock is 24.00 cm long. What is its frequency?
8. A 0.200-kg mass suspended from a spring oscillates with a period of 1.50 s. What is the force constant of the spring?
7. Suppose a 0.350-kg ball is thrown at 18.0 m/s to a motionless person standing on ice who catches it with an outstretched arm, as shown below. The person's mass is 75.0 kg. (a) (b) (a) What is the final linear velocity of the person? (b) Treat the person as a uniform cylinder of radius 1.80 m…
6. A disk slides toward a motionless stick, nailed down at one end, on a frictionless surface. The disk hits the stick at one end and adheres to it, and they rotate together, pivoting around the nail. Suppose this disk has a mass of 300 g, a radius of 1.00 cm, an initial rotational velocity of…
5. A solid cylinder with a mass of 150 g and a radius of 8.0 cm moves down a 30 incline. The static frictional force pointing up the incline causes the cylinder to roll without slipping. (a) What is the coefficient of static friction between the cylinder and the incline? (b) If the cylinder…
An ar-track gider attached to a spring oscillates with a period of 1.5s. At t=0, the gider is 530 cm left of the equilibrium position and moving to the right at 38.5 cm/s.
4.(a) What is the angular momentum of an ice skater spinning at 5.00 rev/s given their moment of inertia is .450 kg-m2? (b) The skater reduces their angular velocity by extending their arms and increasing the moment of inertia. What is the new moment of inertia if their angular velocity…
The figure shows that two boxes are connected by a weightless cord running over a very light, frictionless pulley. Box A, of mass 6.0 kg, is initially at rest on the top of the table. The coefficient of kinetic friction between box A and the table is unknown. Box B has a mass of 10.0 kg, and…
1. The Moon has a mass of 7.35 1022 kg and a radius of 1.74 106 m. The Moon makes one full rotational spin in 27.3 days, the same time it takes to make one complete orbit around the Earth The distance between the Moon and the Earth is 384.4 106 m. a) What is the angular momentum of the Moon…
An ideal air-filled parallel-plate capacitor holds a fixed amount of equal but opposite charge on its plates. If the plate diameters are now halved and the plate separation is doubled, what happens to each of these quantities: (circle the correct option, and write the change factor, if…
Vertical. Determine the following: 1. Magnitude of the tension force T of the pulley system. 2. The x and y components of the reaction force R. 3. The magnitude and direction of the reaction force (as measured from the positive x-axis). Set up on Interactive Physics and measure T, R_x, R_y, R…
Among the highest and lowest natural air temperatures claimed are 136°F in the Libyan desert and -129°F in Antarctica. What are these temperatures on the Celsius scale? Part A What are these temperatures on the Celsius scale? Express your answers using two significant figures separated by a…
A) The relativistic momentum of the Particle B) The rest mass of the particle
41. V What is the average kinetic energy of a molecule of oxygen at a temperature of 300 K?
I need help on both Part A and B. Constants: Periodic Table Find an expression for a wave with the same amplitude, wavelength, and frequency but traveling in the opposite direction. A transverse wave on a wire is given by Dt = 0.050 sin(21x-ft), where D and t are in meters and seconds…
Find the magnitude (in N/m) and direction (in degrees counterclockwise from the +x-axis) of the force that each wire experiences in the figure by using vector addition. (Assume that the +x-axis is to the right and the +y-axis is up along the page.) (this is the closest picture I could find to…
Awave is described by y(x,t) = 0.1sin(3x+10t), where x is in meters, y is in centimeters, and t is in seconds. The angular wave number is: A) 0.10 rad/m B) 10 rad/m C) 10Ï€ rad/m D) 3.0 rad/m E) 3Ï€ rad/m
Awave is described by y(x,t) = 0.1sin(3x - 10t), where x is in meters, y is in centimeters, and t is in seconds. The angular frequency is: 10Ï€ rad/s
The image formed by a convex spherical mirror with a focal length of magnitude 12.9 cm is located one-third of the object-mirror distance from the mirror. (Include the sign of the value in your answers.) a) What is the distance of the object from the mirror? 25.8 cm b) Is the image formed by…
4-293 A heavy block of weight W can be raised and lowered along a smooth vertical guide by a horizontal force P applied to a wedge of negligible weight below W as shown in Fig.P4-293. Assume that the coefficient of friction at all contact surfaces is and that W = 2500 lb, a = 10, and μ = 0.3.…
A particle is shot into a magnetic field region as shown in the figure. If the particle is shot in with a speed of u = 360 m/s, has a charge of q = 90.5 C, and a mass of m = 5 mg, how strong must the magnetic field be? The magnetic field is equal to 198895.
Two polarizers are oriented at 32° to one another. Light polarized at a 16.0° angle to each polarizer passes through both. What is the transmitted intensity?
A simple magnifier has a maximum magnification of 2.2. If the focal length of the lens is 16.2 cm, what is the near point of the person using the magnifier (in cm)?
An obiect that is 5mm tall is located 41cm in front of a lens. A virtual image is formed at a distance 10.3cm from the lens. What is the focal length of the lens (in cm)?
The loop in the figure has an induced current as shown. The loop has a resistance of 0.25 Ω. What is the rate of change of the field, ΔB/Δt? Part A Is the magnetic field strength increasing or decreasing? increasing decreasing Correct. Here we learn how to apply Lenz's law. Part B What is the…
7. A particle has a de Broglie wavelength of 3.00 x 10^-10 m. Then its kinetic energy doubles. What is the particle's new de Broglie wavelength, assuming that relativistic effects can be ignored? 8. A proton is located at a distance of 0.050 m from a point charge of +8.00 C. The repulsive…
Problem 5: When a switch is closed, a compass needle deflects from the initial to final direction, as shown in the figure. Say everything you can about this circuit. Battery Top view Final Initial Compass under wire
A pipe is open at one end and closed at the other. Its fundamental resonant frequency for sound is fo, wavelength is λo, and wave speed is vo. If the same pipe is now open at both ends, which parameters will best describe the new fundamental mode resonance? a. 0.5fo, 2vo b. 2fo, 0.5λo, 0o c.…
In this monument to man's arrogance, in this glistening oasis, vast quantities of power stream in from the desert to power its operation. Vast solar arrays from the Ivanpah facility, and even more monumental amounts travel overhead streaming from Hoover Dam's hydroelectric facilities. 1. Hoover…
How much electrical resistance does a particular metal offer if the electricity goes through a cross section of the material with an area of 0.019 m^2 and the resistivity of the material is 3.82 Ω·m? Round your answer to 2 decimal places. R = unit Question 32 2 pts Details When two charges…
The magnetic field through a circular loop of radius r = 9 cm varies with time, as shown. The direction of the field is perpendicular to the loop. A. What is the magnitude of the induced emf, ε1, in millivolts, at time t1 = 1.0 ms? B. What is the magnitude of the induced emf, ε2, in…
A hollow cubical box is 0.20 m on each edge. The box floats on the surface of water with one-third of its height beneath the surface. What is the mass of the box?
Current Attempt in Progress: The figure shows a stream of water flowing through a hole at depth h = 645 cm in a tank holding water to height H = 30A cm. a) At what distance does the stream strike the floor? b) At what depth should a second hole be made to give the same value of (c)? c) At what…
c) Using the fact that the voltage needs to drop from V to zero after crossing both resistors, the junction rule, and applying Ohm's law to each resistor, find the equivalent resistance RA in terms of R1 and R2. d) Using the fact that the voltage drops from V to zero across either resistor, the…
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121
122
123