• Home
  • Ask directory
  • Microeconomics
  • October 2024
  • 15

Microeconomics Q&A Archive of October 15, 2024

Select Question

October 15 of 2024

Adult cheetahs, the fastest of the great cats, have a mass of about 70 kg and have been clocked running at up to 72 mph . (a) How many joules of kinetic energy does such a swift cheetah have? (b) By what factor would its kinetic energy change if its speed were doubled?
Adult cheetahs, the fastest of the great cats, have a mass of about 70 kg and have been clocked running at up to 72 mph . (a) How many joules of kinetic energy does such a swift cheetah have? (b) By what factor would its kinetic energy change if its speed were doubled?
3. Draw arrows representing the speed and direction of the two planes. Label each arrow with the speed and direction of filgtht. Use a left-facing arrow for west and a right-facing arrow for east? First plane Second plane
uestion 3 (25 points) Assume the government has two policy options, a cash payment of \( \$ 200 \) and providing food stamps worth \( \$ 200 \). Draw the budget constraint faced by the consumer in each of these two policy situations. Assume individuals choose between purchasing food and other…
If a person lifts upper body on day 1, is ok for them to lift upper body again the next day? Please explain below.
What is considered the average Resting Heart Rate? From this number of beats to this # of beats
Draw an isoquant-isocost line graph to illustrate the following situation and the change that occurs: Ebba Kantzen can rent pizza ovens for $800 per week and hire workers for $500 per week. Currently, she is using 5 ovens and 8 workers to produce 20,000 pizzas per week and has total costs of…
In football, the offense selects a play and the defense lines up in a defensive formation. In this model we assume that offense and defense simultaneously select their play. The offense may choose to run or to pass and the defense may choose a run or a pass defense. Use shall utilise the…
7.. Dibuje el diagrama de cuerpo libre para un jugador de básquetbol, a) justo antes de dejar el suelo al saltar, y b) mientras está en el aire.
a) Describe the period, amplitude and phase shift of the graph. b) Also determine the domain and range of the given function. c) Sketch the graph Question 2. a) Use Cramer's rule to solve the system of linear equations. \[ \begin{array}{r} 2 x+y-3 z=7 \\ 2 y-x+3 z=0 \\ 2 x+3 y+4…
Assignment 1) H. . P ON \( \square \) 100N \( \qquad \) K \( \qquad \) Complete the diagram. A linform beam Hk of longth 10 m and weighing 200 N is supported at hoth ends ag shown in the figure asooe. A man woighing 1000 N stands at a point \( P \) on the beam. If the reactions at \( H \) and…
1. A force of 10 N is applied perpendicular to the end of a wrench 0.3 m long. What is the torque applied to the bolt? 2. Calculate the moment of inertia of a solid disk of mass 2 kg and radius 0.5 m about its center. 3. A wheel of radius 0.4 meters is subjected to a force of 20 N applied…
Question 5 A quick return mechanism with a slider at the end of the crank \( O A \) is shown in the figure above. The slider moves freely along BC; which is attached to another link CD. A machining tool is attached to an upward and downward vertical slider at D and the crank OA rotates…
How many days per week is it recommended for someone to exercise for general health vs optimal health?
Why is it so important to perform initial fitness testing before beginning any exercise routine? More importantly for someone new to fitness? Explain in your own words below.
Why are Target Heart Rate Zones so important with each activity performed? Explain in your own words why we track these zones and how you determine if you have reached them during a given activity below.
What does Maximum Heart Rate mean for fitness purposes? List and explain below.
Meat Packers, Incorporated (MPI) preserves and packages various kinds of meats for transportation to grocery stores. To prepare and transport each meat package to a grocery store, the firm must purchase $20 in raw meat and pay $30 in wages for labor and $40 in fuel costs. In addition, the firm…
How much water do you need to consume each day based on your current weight? Age 24
tysics textbook.pdf PHY1506_Oct_Nov_... 3 14 \( 98.2 \% \) Question 5 The drawing below shows an electric circuit, where resistors are connected to a battery If the current in the \( 80 \Omega \) resistor is 05 A , determine (a) the currents in all the other resistors, \( [(0) \) (b) the total…
5. What is the net electric potential at point P due to the four particles if \( V( \pm \infty)=0 \) at infinity, \( q=5.00 \mathrm{fC} \), and \( d=4.00 \mathrm{~cm} \) ? (fC means femto coulombs.)
5. What is the net electric potential at point P due to the four particles if \( V( \pm \infty)=0 \) at infinity, \( q=5.00 \mathrm{fC} \), and \( d=4.00 \mathrm{~cm} \) ? (fC means femto coulombs.)
4. Si el precio de la energía eléctrica es de diez centavos de dólar por kilowatt-hora, ¿cuál es el costo (en dólares) de la energía eléctrica para calentar el agua de una piscina \( (12,0 \mathrm{~m} \times 9,0 \mathrm{~m} \times 1,5 \mathrm{~m}) \) de 15 \( { }^{\circ} \mathrm{C} \) a \(…
What is the primary demand of fast-food workers according to the passage A. Shorter working hours B. Higher wages c. Improved job security D. More vacation time
The magnetic frame shown'in Figure 1 is built-up of iron of square cross-section, 3 side. Each air gap is 2 mm wide. Each of the coils is wound with 1000 urns and t exciting current is (A) The relative permeability of part \( A \) and part \( B \) may be taken 1000 and 200 respectively.…
\( \qquad \) The magnetic frame shown'in Figure 1 is built-up of iron of square cross-section, 3 cm side. Each air gap is 2 mm wide. Each of the coils is wound with 1000 turns and the exciting current is (A) The relative permeability of part A and part B may be taken as 1000 and 1200…
The magnetic frame shown in Figure 1 is built-up of iron of square cross-section 3 cm side. Each air gap is 2 mm wide. Each of the coils is wound with 1000 tums and the exciting current is (A) The relative permeability of part \( A \) and part \( B \) may be taken as 1000 and 1200 respectively.…
The magnetic frame shown in Figure 1 is built-up of iron of square cross-section 3 cm side. Each air gap is 2 mm wide. Each of the coils is wound with 1000 tums and the exciting current is (A) The relative permeability of part A and part B may be taken as 1000 and 1200 respectively. Calculate,…
M Question Mode: Ordering Quest ChaigPT Faccbook New tab Mc Antil Exit Assignment Click and drag on elements in order Order the steps for the profit-maximizing output and pricing decision for the firm with market power (1) Inatructions Estimate average variable cost and marginal…
M Question Mode: Multiple Select ChaigPT Faccbook New tab Mc Gfil Exit Assignment 34 of 38 Concepts completed Multiple Select Question Select all that apply In the long run the monopoly fimm will adjust plant size as demand conditions warrant, Will choose plant size at the quantity where LMC…
M Question Mode: Ordering Quest ChaigPT Faccbook New tab Mc Crifil Exit Assignment Click and drag on elements in order Order the steps for the profit-maximizing output and pricing decision for the firm with market power. Instructions Find the inverse demand equation. Solve for marginal…
4. (Total 25 marks) We have the following information for the economy: \begin{tabular}{|c|c|} \hline Goods Market & Money Market \\ \hline\( C=100+0.5(Y-T) \) & \( M^{S}=4000 \) \\ \hline\( I=50-2 i \) & \( P=10 \) \\ \hline\( G=200 ; T=100 \) & \( L(Y, i)=Y-6 i \) \\ \hline \end{tabular} Note…
4. (Total 25 marks) We have the following information for the economy: \begin{tabular}{|c|c|} \hline Goods Market & Money Market \\ \hline\( C=100+0.5(Y-T) \) & \( M^{S}=4000 \) \\ \hline\( I=50-2 i \) & \( P=10 \) \\ \hline\( G=200 ; T=100 \) & \( L(Y, i)=Y-6 i \) \\ \hline \end{tabular} Note…
Exit Assignment \( \times \) Mc 最解 ChaIGPT Faccbook New tab Oraening question G\$ Click and dragg on elements in order Order the steps for the profit-maximizing output and pricing decision for the firm with market power. (1) instructions Check the shut-down rule. Estimate the demand…
Read the following case study entitled "Does M\&S have a future?" and answer the following THREE (3) questions: DOES M\&S HAVE A FUTURE? The country's most famous retailer Marks \& Spencer's big store in London's Kensington High Street has just had a re-fit. Instead of the usual drab M\&S…
Read the case study entitled 'Fuel taxes and optimality' and answer the following THREE (3) questions: FUEL TAXES AND OPTIMALITY How much petrol should be taxed? The tax on petrol varies widely around the developed world. America's gasoline tax is currently about 40 cents an American gallon,…
5. ( 20 Points) Competitive Equilibrium Suppose Fred is the only consumer in the economy. Fred derives utility from two things: clothes and books. He has an income of \( \$ 24 \) and a utility function given by: \( U(C, B)=C^{3 / 4} B^{1 / 4} \). There is one firm that produces clothes using…
2.2 On the comparison between internal combustion vehicles and electric vehicles: (a) Explain in detail with the help of neat diagrams how an electrical traction system can replace a traction system with internal combustion engine for vehicular propulsion. \( [2] \) (b) Briefly explain the…
M Question Mode: Ordering Quest ChaigPT Facebock Mc Gfiw Exit Assignment Ordering Question Click and drag on elements in order Place these steps for implementing the profit-maximizing output decision in order beginning with the first step. Instructions Compute profit or loss. If \( P>A V…
3. (Total 25 marks) The money demand in a small country can be described by the function (in the relevant range of interest), \[ M^{d}=\$ Y \times(1.2-10 i) \] where \( \$ Y \) is the nominal income, currently equal to \( \$ 6,000 \) billion, and \( i \) the interest rate (in ratio or decimal…
3. (Total 25 marks) The money demand in a small country can be described by the function (in the relevant range of interest), \[ M^{d}=\$ Y \times(1.2-10 i) \] where \( \$ Y \) is the nominal income, currently equal to \( \$ 6,000 \) billion, and \( i \) the interest rate (in ratio or decimal…
\( \qquad \) Q Two resistors connected in parallel across \( 100 \mathrm{~V} D C \) supply takes 10 A Wom the line. The power discipated in one a egist resistor is 600 watt, what is the current drawn when they are connected in series across the same supply.
answer. [3] 2.2 On the comparison between internal combustion vehicles and electric vehicles: (a) Explain in detail with the help of neat diagrams how an electrical traction system can replace a traction system with internal combustion engine for vehicular propulsion. \( [2] \) (b) Briefly…
12. Find current flowing through \( 5 \Omega \) using Superposition theorem.
Trevor had been working full-time when he made the decision to go back and finish his degree this coming school year. If he continued to work full-time during the school year, his salary would have been \( \$ 46,250 \). Trevor's employer agreed to pay \( 75 \% \) of his \( \$ 8,250 \) tuition…
The market for donuts is in a competitive equilibrium, as shown above. The government decides to impose a $4 excise tax on donut producers. After the tax is imposed what is the deadweight loss?
A Cds cell has a dark resistance of \( 100 \mathrm{k} \Omega \& \) a resistacne in a light beam of \( 30 \mathrm{k} \Omega \). The system to trigger comparator within 10 ms of the beam interruption is ( Given \( \tau=72 \mathrm{~ms} \) )
A Cds cell has a dark resistance of \( 100 \mathrm{k} \Omega \& \) a resistacne in a light beam of \( 30 \mathrm{k} \Omega \). The system to trigger comparator within 10 ms of the beam interruption is ( Given \( \tau=72 \mathrm{~ms} \) )
1. Suppose either computers or televisions can be assembled with the following labor inputs: \begin{tabular}{lllccrrrrrr} Units produced & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 \\ Total labor used & 3 & 7 & 12 & 18 & 25 & 33 & 42 & 54 & 70 & 90 \end{tabular} (a) Draw the production…
1.2 Given below are constant power discharge characteristics of a 12 V lead-acid battery. \begin{tabular}{c|c} \( S P(W / \mathrm{kg}) \) & \( S E(W h / \mathrm{kg}) \) \\ \hline 10 & 67.5 \\ \hline 110 & 8 \end{tabular} The battery characteristics are to be expressed in terms of Peukert's…
Given that you have to develop an electric drive for a three-wheel Tuk-Tuk which will be used to move people from the Wits main campus to the education campus in Park Town. The Tuk Tuk can only carry a maximum of two people at a time and can reach its maximum speed of \( 60 \mathrm{~km} /…
1. Suppose either computers or televisions can be assembled with the following labor inputs: \begin{tabular}{lllrrrrrrrrr} Units produced & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 \\ & 3 & 7 & 12 & 18 & 25 & 33 & 42 & 54 & 70 & 90 \end{tabular} \( \begin{array}{lllllllllll}\text { Total labor…
Chapter 3 1. Assume that a student told an instructor that he absolutely needed an "A" in the class and would pay anything to get it. If this were true, what shape would his demand curve have? Why isn't this realistic? Role of Government 1. Could local fire departments be privately operated,…
Chapter 2 1. Suppose either computers or televisions can be assembled with the following labor inputs: \( \begin{array}{lllllrrrrrr}10 \\ \text { Units produced } & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 \\ \text { Total labor used } & 3 & 7 & 12 & 18 & 25 & 33 & 42 & 54 & 70 & 90\end{array}…
Question 5 A quick return mechanism with a slider at the end of the crank \( O A \) is shown in the figure above. The slider moves freely along \( B C \); which is attached to another link CD. A machining tool is attached to an upward and downward vertical slider at D and the crank OA rotates…
1. (Total 25 marks) Consider a simple economy which produces two final goods, soybeans and coffee beans. The table below shows the prices and productions of the two goods in 2020, 2021, and 2022. \begin{tabular}{|l|l|l|l|l|l|l|} \cline { 2 - 7 } \multicolumn{1}{c|}{} & \multicolumn{2}{l|}{2020}…
Determine the magnitude of the support reactions on the beam, which is pin-supported at \( A \) and rests on the "smooth" incline at B.
1. Suppose either computers or televisions can be assembled with the following labor inputs: \begin{tabular}{lllrrrrrrrr} Units produced & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 \\ Total labor used & 3 & 7 & 12 & 18 & 25 & 33 & 42 & 54 & 70 & 90 \end{tabular} (a) Draw the production…
11) In the figure above, if the wage rate is \( \$ 6 \) per hour, then the A) firms' surplus is the area \( d+e+f \). B) workers' surplus is the area \( a+b+c \). C) deadweight loss equals zero. D) Only answers A and C are correct. E) Answers A, B, and C are correct.
2. Consider the series regulator in figure 3 . The regulator should be designed to supply a load with 9 V and 100 mA . The Zener diode used has a 2 V Zener voltage, transistor \( Q_{1} \) has \( \beta_{1}=24 \) and \( V_{B E}=V_{D}=0.7 \mathrm{~V} \), transistor \( Q_{2} \) and \( Q_{3} \) has…
Q. 1 (a) Explain the phenomenon of superconductivity (b) What is the force between two small charged spheres having charges of \( 2 \times 10^{-7} \mathrm{C} \) and \( 3 \times 10^{-7} \mathrm{C} \) placed 30 cm apart in air? \[ \text { Ans }=6 \times 10^{-3} \mathrm{~N} \] Q. 2 (a) What are…
Q. 1 (a) Explain the phenomenon of superconductivity (b) What is the force between two small charged spheres having charges of \( 2 \times 10^{-7} \mathrm{C} \) and \( 3 \times 10^{-7} \mathrm{C} \) placed 30 cm apart in air? \[ \text { Ans }=6 \times 10^{-3} \mathrm{~N} \] Q. 2 (a) What are…
4) 4 s 42. Referring to the \( \mathrm{v}^{2}-\mathrm{s} \) diagram of aparticle, find the displacement of the particle during the last two seconds. 1) 10 m 2) 5 m 3) \( 2 m \) 4) 1 m
5. A flat circular coil carrying a current of 9.80 A has a magnetic dipole moment of \( 0.200 \mathrm{~A} \cdot \mathrm{~m}^{2} \) to the left. Its area vector \( \bar{A} \) is \( 3.5 \mathrm{~cm}^{2} \) to the left. (a) How many turns does the coil have? (b) An observer is on the coil's axis…
4. An electromagnet produces a magnetic field of 0.700 T in a cylindrical region of radius 2.80 cm between its poles. A straight wire carrying a current of 11.0 A passes through the center of this region and is perpendicular to both the axis of the cylindrical region and the magnetic field.…
3. A 145 g ball containing \( 4.10 \cdot 10^{8} \) excess electrons is dropped into a 125 m vertical shaft. At the bottom of the shaft, the ball suddenly enters a uniform horizontal magnetic field that has magnitude 0.350 T and direction from east to west. If air resistance is negligibly small,…
2. An open plastic soda bottle with an opening diameter of 3.5 cm is placed on a table. A uniform 1.55 T magnetic field directed upward and oriented \( 25^{\circ} \) from vertical encompasses the bottle. What is the total magnetic flux through the plastic of the soda bottle?
1. A group of particles is traveling in a magnetic field of unknown magnitude and direction. You observe that a proton moving at \( 1.45 \mathrm{~km} / \mathrm{s} \) in the +x -direction experiences a force of \( 2.30 \cdot 10^{-16} \mathrm{~N} \) in the \( +y \)-direction, and an electron…
1 4) The figure above shows a demand curve. Using the midpoint method, between point \( A \) to point \( B \) is a \( \qquad \) change in price and a \( \qquad \) change in quantity. A) 2.22 percent; 66.7 percent B) \( \$ 2 ; 2 \) unit C) 2.20 percent; 100 percent D) 2.25 percent; 50 percent E)…
Q. 1 (a) Explain the phenomenon of superconductivity (b) What is the force between two small charged spheres having charges of \( 2 \times 10^{-7} \mathrm{C} \) and \( 3 \times 10^{-7} \mathrm{C} \) placed 30 cm apart in air? \[ \text { Ans }=6 \times 10^{-3} \mathrm{~N} \] Q. 2 (a) What are…
Q. 1 (a) Explain the phenomenon of superconductivity (b) What is the force between two small charged spheres having charges of \( 2 \times 10^{-7} \mathrm{C} \) and \( 3 \times 10^{-7} \mathrm{C} \) placed 30 cm apart in air? \[ \text { Ans }=6 \times 10^{-3} \mathrm{~N} \] Q. 2 (a) What are…
(c) Find the Hicksian demand functions by solving the problem \[ \begin{array}{l} \min _{x_{1}, x_{2}} p_{1} x_{1}+p_{2} x_{2} \\ \text { s.t. } a_{1} x_{1}+a_{2} x_{2} \geq u \end{array} \]
(c) Find the Hicksian demand functions by solving the problem \[ \begin{array}{l} \min _{x_{1}, x_{2}} p_{1} x_{1}+p_{2} x_{2} \\ \text { s.t. } a_{1} x_{1}+a_{2} x_{2} \geq u \end{array} \]
(1) Bài t?p B1. M?t DN trong ngành giày dép có 100 công nhân, SX 2 lo?i Sp là giày da và giày th? thao. N?ng su?t c?a m?i công nhân trong ngày là 60 ?ôi giày th? thao ho?c 30 ?ôi giày da. - Tính chi phí c? h?i cho vi?c sx giày da? - V? ???ng PPF c?a DN này trong ngày và vi?t ph??ng trình c?a…
In the fall of 2002, a group of scientists at Los Alamos National Laboratory determined that the critical mass of neptunium-237 is about 60 kg . The critical mass of a fissionable material is the minimum amount that must be brought together to start a chain reaction. This element has a density…
4. A surveyor walks 5.00 km , east, then \( 10.00 \mathrm{~km}, 30^{\circ} \) north of east, and continues walking in an unknown displacement. He finds himself 13.66 km , east of his starting point. Find his unknown displacement.
A surveyor walks 5.00 km , east, then \( 10.00 \mathrm{~km}, 30^{\circ} \) north of east, and continues walking in an unknown displacement. He finds himself 13.66 km , east of his starting point. Find his unknown displacement.
(1) Bài t?p B1. M?t DN trong ngành giày dép có 100 công nhân, SX 2 lo?i Sp là giày da và giày th? thao. N?ng su?t c?a m?i công nhân trong ngày là 60 ?ôi giày th? thao ho?c 30 ?ôi giày da. - Tính chi phí c? h?i cho vi?c sx giày da? - V? ???ng PPF c?a DN này trong ngày và vi?t ph??ng trình c?a…
Giải bài tập
2. What is meant by energy efficiency of a transformer? A 20-kVA transformer has a maximum efficiency of 98 percent when delivering three-fourth full-load at u.p.f. If during the day, the transformer is loaded as follows : \begin{tabular}{ll} 12 hours & No load \\ 6 hours & \( 12 \mathrm{kWh},…
Assignment 4 1. A uniform chain of length \( L \) and mass \( M \) is suspended vertically by one end with the other end immediately above a scale as shown in Fig. 1 (a). The chain is released, and as it falls, it lands on the scale. Assume the scale does not move, and the chain's speed reduces…
- A deries \( R \)-leccircent \( R_{2} \) los, \( L=0.2 \mathrm{H} \), \( c= \) rolef is Eupplied with loo V bource Detertione fr, I, Powser, PoR, \( V_{R}, V_{L}, V_{C} \) Q.P halp Poreo fq \& Phalor diagram-
Figure - 2: Differential Band Brake. 2. A differential band brake is shown in figure - 2. The diameter of the drum is 800 mm . The coefficient of friction between the band and the drum is 0.3 and the angle of embrace is \( 240^{\circ} \). When a force of 600 N is applied at the free end of the…
1. A force of 10 N is applied perpendicular to the end of a wrench 0.3 m long. What is the torque applied to the bolt? 2. Calculate the moment of inertia of a solid disk of mass 2 kg and radius 0.5 m about its center. 3. A wheel of radius 0.4 meters is subjected to a force of 20 N applied…
1. A force of 10 N is applied perpendicular to the end of a wrench 0.3 m long. What is the torque applied to the bolt? 2. Calculate the moment of inertia of a solid disk of mass 2 kg and radius 0.5 m about its center. 3. A wheel of radius 0.4 meters is subjected to a force of 20 N applied…
1. A force of 10 N is applied perpendicular to the end of a wrench 0.3 m long. What is the torque applied to the bolt? 2. Calculate the moment of inertia of a solid disk of mass 2 kg and radius 0.5 m about its center. 3. A wheel of radius 0.4 meters is subjected to a force of 20 N applied…
A firm manufactures a product that sells for \( \$ 11 \) per unit. Variable cost per unit is \( \$ 6 \) and fixed cost per period is \( \$ 1800 \). Capacity per period is 600 units. Perform a break-even analysis showing a detailed break-even chart. Find the revenue function,…
How many Canadian dollars can you buy for 5000 South African Rand (R5000) if one Canadian dollar is worth R12.2955? You can purchase C\$ \( \square \) (Round to the nearest cent as needed.)
3. Block \( A \) is sliding up on the inclined surface. What is \( A) \) the acceleration of the blocks? \( B) \) the tension in the rope between blocks \( A \) and \( B\left(T_{1}\right) \), and the tension in the rope between blocks \( B \) and \( C\left(T_{2}\right) \) ? The coefficient of…
Three objects of uniform density-a solid sphere, a solid cylinder, and a hollow cylinder-are placed at the top of an incline (Fig. CQ10.13). They are all released from rest at the same elevation and roll without slipping. (a) Which object reaches the bottom first? (b) Which reaches it last?…
2) Find the TF of following system
To determine the elastic strain energies due to shear and bending moment in a cantilevered beam. The rectangular cantilevered beam \( A B \) shown is subjected to a vertical shear force \( \mathbf{P}=66.0 \mathrm{kN} \) and a bending moment \( \mathbf{M O}=295 \mathrm{kN} \) ?m at \( A \). The…
3. Bimal and Kamal are the two industrial workers engaged in doing a similar job. They have different learning rates of \( 80 \% \) and \( 90 \% \) respectively. Times taken to complete their first jobs are respectively 12 and 8 hours. If both continue with same learning rate then after how…
Figure 2: Circuit of question 2
1. A force of 10 N is applied perpendicular to the end of a wrench 0.3 m long. What is the torque applied to the bolt? 2. Calculate the moment of inertia of a solid disk of mass 2 kg and radius 0.5 m about its center. 3. A wheel of radius 0.4 meters is subjected to a force of 20 N applied…
3. A car's wheels have a radius of 0.4 meters. If the car is moving at a speed of \( 20 \mathrm{~m} / \mathrm{s} \), what is the angular velocity of the wheels?
How many Abelian groups (up to isomorphism) are there a. of order 6? b. of order 15 ? c. of order 42? d. of order \( p q \), where \( p \) and \( q \) are distinct primes? e. of order pqr, where \( p, q \), and \( r \) are distinct primes?
1. A force of 10 N is applied perpendicular to the end of a wrench 0.3 m long. What is the torque applied to the bolt? 2. Calculate the moment of inertia of a solid disk of mass 2 kg and radius 0.5 m about its center. 3. A wheel of radius 0.4 meters is subjected to a force of 20 N applied…
for Leontief utility, prove it satisfy convexity, Strict Monotonicity, but do not satisfy Strict Convexity
Using superposition theorem, calculate the magnitude and direction of the current through each resistor in the circuit shown below:
Changes in federal fiscal policies-which can take the form of changes in federal spending, taxes, or both-can have both short-term and long-term effects on the economy. In the short term, the economy's output can deviate from its potential level (a level that corresponds to a high rate of use…
Both employment and final demand are highly correlated with the business cycle in industries such as household furniture, motor vehicles and equipment, household appliances, retail trade, and carpets and rugs. These are industries providing goods that consumers and businesses can postpone…
Use the graph to answer the question. What BEST summarizes the microeconomic relationship between consumers and producers at the stages marked on the graph? A. \begin{tabular}{|l|l|} \hline Stage X & \begin{tabular}{l} Consumer demand for \\ producers' goods is at its \\ lowest. \end{tabular}…
Business Cycle At what point in the business cycle would unemployment be at its highest? A. Unemployment would be at its highest when the business cycle is at its peak. B. Unemployment would be at its highest when the business cycle is in a trough. C. Unemployment would be at its highest when…
Read the following case study entitled "Does M\&S have a future?" and answer the following THREE (3) questions: DOES M\&S HAVE A FUTURE? The country's most famous retailer Marks \& Spencer's big store in London's Kensington High Street has just had a re-fit. Instead of the usual drab M\&S…
Read the case study entitled ‘Fuel taxes and optimality’ and answer the following THREE (3) questions: FUEL TAXES AND OPTIMALITY How much petrol should be taxed? The tax on petrol varies widely around the developed world. America’s gasoline tax is currently about 40 cents an American gallon,…
1. The moon has a mass of \( 7.34 \times 10^{22} \mathrm{~kg} \) and a radius of \( 1.74 \times 10^{6} \) meters. If you have a mass of 66 kg , how strong is the force between you and the moon?
Problem 6 (L.O.2): A small car with mass 0.800 kg travels at constant speed on the inside of a track that is a vertical circle with radius 5.00 m . If the normal force exerted by the track on the car when it is at the top of the track (point \( B \) ) is 6.00 N , what is the normal force on the…
Henceproved 17a. Draw ogive lurves for the given data markg obtained 0-5 5-10 10-15 15-20 20-25 25-30 No. of students \( 3 \quad 7 \quad 8 \quad 6 \quad 4 \quad 4 \)
40. The bob of simple pendulum of length \( (1 \mathrm{~m}) \) is removed sideways and whirled in a horizontal circle radius 50 cm . If the mass of bob is \( 20 \sqrt{3 \mathrm{gm}} \), find the tension in the string (use \( \mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{(\mathrm{b})} \) : (a) \( 0.2…
16-14 The figure depicts a band brake whose drum rotates counterclockwise at \( 200 \mathrm{rev} / \mathrm{min} \). The drum diameter is 400 mm and the band lining 75 mm wide. The coefficient of friction is 0.20 . The maximum lining interface pressure is 480 kPa . (a) Find the maximum brake…
16-14 The figure depicts a band brake whose drum rotates counterclockwise at \( 200 \mathrm{rev} / \mathrm{min} \). The drum diameter is 400 mm and the band lining 75 mm wide. The coefficient of friction is 0.20 . The maximum lining interface pressure is 480 kPa . (a) Find the maximum brake…
Question 6. Ella's utility function is \( U(x, y)=\min \{2 x, y\} \). If the price of \( x \) is 15 and the price of \( y \) is 10 , how much money would she need to be able to purchase a bundle that she likes as well as the bundle \( (x, y)=(10,8) ? \) a. 67 b. 148 c. 140 d. 230 e. 70
Prablem 2 (L.O.2): In the sysem is shown in below figute. The horizuntal surfice is fricticuless The system mones with iccelermion of \( 10 \mathrm{~m} / \mathrm{s}^{2} \) Fake \( \mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2} \). Derermune 1. Tensive between \( A \) and \( B \) 2 Tersion betweer…
2/134 Motion of the sliding block \( P \) in the rotating radial slot is controlled by the power screw as shown. For the instant represented, \( \dot{\theta}=0.1 \mathrm{rad} / \mathrm{s}, \ddot{\theta}=-0.04 \) Sections \( \mathrm{rad} / \mathrm{s}^{2} \), and \( r=300 \mathrm{~mm} \). Also,…
3. Untuk membuat gas nsintesa (H2danN2) dengan komposisi \( 75 \% \mathrm{H} 2 \) dan25\% N2 dilakukan dengan cara mencampur"producer gas" ( \( 78 \% \) N2,20\% CO, 2\% CO2 ) dengan"water gas"( \( 50 \% \mathrm{H} 2,50 \% \mathrm{CO}) \). Gas CO2 yang bersifat dapat meracuni katalis,dihilangkan…
Problem 2 (L.O.2): In the system is shown in below figure. The horizontal surface is frictionless. The system moves with acceleration of \( 10 \mathrm{~m} / \mathrm{s}^{2} \). Take \( \mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2} \). Determine: 1. Tension between \( A \) and \( B \). 2. Tension…
Question 5. A perfectly competitive market consists of 60 sellers and 80 buyers. All the buyers have the same demand function of \( P=164-20 q \) and all the sellers have the same total cost function of \( T C=3 q(q+8) \). Consumer surplus of this market is a. 12,000 b. 15,000 c. 20,000 d.…
Exercise 8.1 INDIRECT TAX.docx Exercise 8.1 Thinking and Communication 1. A product has relatively inelastic demand and also relatively inelastic supply. Draw a diagram to show this and then show the effect of the imposition of a percentage tax on the product. Label the diagram carefully and…
1. A product has relatively inelastic demand and also relatively inelastic supply. Draw a diagram to show this and then show the effect of the imposition of a percentage tax on the product. Label the diagram carefully and state the areas corresponding to: a. the original revenue of the…
Show that for purely radial conduction of heat in a right circular cylinder of thermal conductivity \( K \) that \( T_{1}-T_{2}=\frac{Q}{2 \pi \mathrm{LK}} \log _{\cdot}\left(r / r_{1}\right) \) where T is the temperature at a corresponding radius \( r \). and \( Q \) is the rate of heat…
An economy consists of two individuals \( A \) and \( B \) sharing 10 apples. The utility obtained by individuals for each amount of apples received is equal and is shown in the table below: \begin{tabular}{|l|c|c|c|c|c|c|c|c|c|c|} \hline \begin{tabular}{l} Member of \\ apples…
Exercise: Suppose society has only 2 individuals \( A \) and \( B \) sharing an income of \( \$ 1000 \). The benefit functions of two individuals are as follows: \[ M U A=4000-2 I A \text { and } M U B=4000-6 I B \] In which, MU is the maryinal utility according to each person's income and I…
Exercise: Suppose society has only 2 individuals \( A \) and \( B \) sharing an income of \( \$ 1000 \). The benefit functions of two individuals are as follows: \[ M U A=4000-21 \mathrm{~A} \text { and } M U B=4000-6 I B \] In which, MU is the maryinal utility according to each person's…
1. Solve the utility maximisation problem when the consumer cares about two goods and has quasi-linear preferences with utility function \( u\left(x_{1}, x_{2}\right)= \) \( \log \left(x_{1}\right)+x_{2} \). Income is \( w \) and prices are \( p_{1} \) and \( p_{2} \).
CYU 4-1.2 A vertical piston-cylinder device with a piston that is free to move contains air at 100 kPa and 400 K . \( 1 f 60 \mathrm{~kJ} \) of heat is lost from the air to the surroundings, what is the final pressure of the air in the cylinder? (a) 100 kPa (b) 50 kPa (c) 25 kPa (d) 200 kPa (e)…
Question 4. Which of the following will not produce an outward shift of the production possibilities curve? a. an upgrading of the quality of a nation's human resources. b. the reduction of unemployment. c. an increase in the quantity of a society's labor force. d. the improvement of a…
CYU 4-1.3 A piston-cylinder device contains \( 0.1 \mathrm{~m}^{3} \) of air at 100 kPa and 300 K . At this state, the piston is tre move. Now, heat is transferred to the air and the volume of the air triples. What is the boundary work done during process? (a) 100 kJ (b) 50 kJ (c) 20 kJ (d) 10…
Question 3. The concept of opportunity cost a. is irrelevant in socialistic economies because of central planning. b. suggests that the use of resources in any particular line of production means that the alternative outputs must be ignore. c. is irrelevant if the production possibilities curve…
14. Consider the indirect utility function arrived at at the end of section 5 in the handout on demand theory: \( V\left(P_{1}, y\right)=\exp \left(-\delta P_{1}\right) \). \( \left[y+\frac{1}{\delta}\left(\alpha P_{1}+\frac{\alpha}{\delta}+\gamma^{t} z\right)\right] \). Use Roy's identity to…
On your child's 1st birthday, you open an account to fund his college education. You deposit \$3,100 to open the account. Each year, on his birthday, you make another deposit. Each subsequent deposit is \( 9 \% \) larger than the previous. The account pays interest at \( 5 \% / y e a r \)…
14. Consider the indirect utility function arrived at at the end of section 5 in the handout on demand theory: \( V\left(P_{1}, y\right)=\exp \left(-\delta P_{1}\right) \). \( \left[y+\frac{1}{\delta}\left(\alpha P_{1}+\frac{\alpha}{\delta}+\gamma^{t} z\right)\right] \). Use Roy's identity to…
1. A helicopter starts from rest at point A and travels along the indicated path with a constant acceleration \( a \). If the helicopter has a speed of \( 60 \frac{\mathrm{~m}}{\mathrm{~s}} \) when it reaches B , determine the values of \( \dot{R}, \dot{\theta} \), and \( \dot{\phi} \) as…
Question 3 (25 points) 1. - Assume the government has two policy options, a cash payment of \( \$ 200 \) and providing food stamps worth \( \$ 200 \). Draw the budget constraint faced by the consumer in each of these two policy situations. Assume individuals choose between purchasing food and…
The block of mass M in the figure belaw acrelerates on a frictioniess sarface Find an exprension for the terision in the string A. \( \frac{M y}{|m| M \mid} \) B. \( \frac{m u d}{614} \) C. \( \frac{m M}{(m+M)} \) D. \( \frac{m y}{[m+4 \rho]} \) \( E \frac{\Delta n s j_{j}}{(m-h n)} \)
Diketahui pembebanan pada suatu balok sederhana seperti tergambar Hitunglah Reaksi tumpuan di titik A dan B
Question 2 (15 points) - Assume there is a consumer named Logan who spends his income purchasing two goods: Milk and Missiles. The price of each good is \( \$ 1 \) per unit, and Logan's income is \( \$ 30 \). Graph Logan's budget constraint and an indifference curve if he were consuming 18…
Nube M. Honovidez BSHE 4 Machine Elements Assignment 1. The figure shows a concept for a hand pump ured for increasing oil pressure in a hydraulic line. Analytically determine the displacement of the piston as the handie rotates \( 20^{\circ} \) counterdockwise. \( \cos B A D \)
Assignment: Find the reactions at supports \( A, C \), and \( E \) of the compound beam carrying a uniformly distributed load of \( 10 \mathrm{kips} / \mathrm{ft} \) over its entire length as shown in the figure.
For the two vectors in \( \overrightarrow{\boldsymbol{A}} \) and \( \overrightarrow{\boldsymbol{B}} \) in the given figure: a. Find the magnitude and direction of the vector product \( \vec{A} \times \vec{B} ; 10 \) pts. b. Find the magnitude and direction of \( \vec{B} \times \vec{A} .…
For the two vectors in \( \overrightarrow{\boldsymbol{A}} \) and \( \overrightarrow{\boldsymbol{B}} \) in the given figure: a. Find the magnitude and direction of the vector product \( \vec{A} \times \vec{B} ; 10 \) pts. b. Find the magnitude and direction of \( \vec{B} \times \vec{A} .…
The tax multiplier is greater than the goverment spending multiplier Group of answer choices True False Flag question: Question 2 Question 21 pts MulT = 1/(1-MPC) Group of answer choices True False Flag question: Question 3 Question 31 pts MulG = 1/(1-MPC) Group of…
You decide to open an individual retirement account (IRA) at your local bank that pays \( 8 \% / \) year compounded annually. At the end of each of the next 40 years, you will deposit \( \$ 4,000 \) into the account. Three years after your last deposit, you will begin making annual withdrawals.…
Complete the table: \begin{tabular}{|c|l|l|l|l|} \hline \begin{tabular}{l} Circuit \\ Position \end{tabular} & Voltage (V) & Current (A) & Resistance ( \( \Omega \) ) & Power (W) \\ \hline 1 & & & 80 & \\ \hline 2 & & & 49 & \\ \hline 3 & & & 51 & \\ \hline 4 & & & 37 & \\ \hline 5 & & & 45 &…
4. Given the input-output inntrix find the output matrix if final demand changes to 600 for steel and 805 for coal. Find the total value of the other production costs that this involves.
4. Given the input-output inntrix find the output matrix if final demand changes to 600 for steel and 805 for coal. Find the total value of the other production costs that this involves.
Q2 a) Derive the equation for spreading b) The surface tension of n-heptyl alcoholis \( 27 \mathrm{ergs} / \mathrm{cm}^{2} \) the surface tension of water is \( 72.8 \mathrm{ergs} / \mathrm{cm}^{2} \) and the interfacial tension between the two liquids is \( 30 \mathrm{ergs} / \mathrm{cm}^{2}…
The potential difference between two large parallel metal plates is 120 V . The plate separation is 3.0 mm . Find the electric field between the plates. Ans. \( 40 \mathrm{kV} / \mathrm{m} \) toward negative plate
Determine the charge on each plate of a \( 0.050-\mu \mathrm{F} \) capacitor when the potential difference between the plates is 200 V . Ans. \( 10 \mu \mathrm{C} \)
The plates described in Problem 25.27 are in vacuum. An electron \( \left(q=-e, m_{e}=9.1 \times 10^{-31} \mathrm{~kg}\right) \) is released at the negative plate and falls freely to the positive plate. How fast is it going just before it strikes the plate? Ans. \( \quad 7.3 \times 10^{5}…
You decide to open an individual retirement account (IRA) at your local bank that pays \( 8 \% / \) year compounded annually. At the end of each of the next 40 years, you will deposit \( \$ 4,000 \) into the account. Three years after your last deposit, you will begin making annual withdrawals.…
Question 2. Miss M is very flexible. She consumes \( X \) and \( Y \). She says "Give me \( X \) or give me \( Y \). I don't care. I can't tell the difference between them'. She is currently endowed with 14 units of \( X \) and 6 units of \( Y \). The price of \( X \) is 4 times the price of \(…
b. A rod of 2 m long is subjected to an axial pull of 30 KN . Find the minimum diameter of the rod if the permissible stress is limited to 200 x \( 10^{6} \mathrm{~N} / \mathrm{m}^{2} \). Also determine the elongation. Take \( \mathrm{E}=200 \mathrm{KN} / \mathrm{mm}^{2} \).
4 2 In a safety test, a car of mass 1100 kg travels at a speed of \( 10 \mathrm{~m} / \mathrm{s} \) and collides with a stationary van of mass 3000 kg . After the collision the car and the van move together with a velocity \( v \). Fig. 2.1 shows the car and van before and after the…
2. A manufacturing company plans to upgrade its factory equipment by purchasing various machines over the course of the year. The value of these purchases is given in the following table. According to the agreement with the equipment suppliers, the company will make a lump-sum payment at the…
33. When the momentum of an object increases with respect to time, what is true of the net force acting on it? a. It is zero, because the net force is equal to the rate of change of the momentum. b. It is zero, because the net force is equal to the product of the momentum and the time…
1. The characteristics of a centrifugal pump at a speed of 1500 rpm are given as, \[ h=50-200 Q-2400 Q^{2} \text { and } \eta=60 Q-1200 Q^{2} \] where \( h \) is in meters, \( Q \) is in \( \mathrm{m}^{3} / \mathrm{s} \). This pump works in a system which has the characteristic of \[ h=20+16000…
Question 1. Indifference curve of Mr. A is \( X_{2}=C-4 X_{1}^{1 / 2} \), with being a positive constant that is positively related to Mr. A's utility. If \( X_{1} \) is shown by the horizontal axis and \( X_{2} \) by the vertical axis, the slope of the indifference curve when \( X_{1}=16 \)…
Question 1. Indifference curve of Mr. A is \( X_{2}=C-4 X_{1}^{1 / 2} \), with being a positive constant that is positively related to Mr. A's utility. If \( X_{1} \) is shown by the horizontal axis and \( X_{2} \) by the vertical axis, the slope of the indifference curve when \( X_{1}=16 \)…
Find the equivalent resistance, Req for the following resistor combination circuit.
21) Refer to Figure 8.5.1 above. The dashed portion of the marginal cost curve refers to: A) the portion where an increase in output results in an increase in profit. B) the portion where marginal cost is always equal to average total cost (ATC), when ATC is at its minimum. C) the supply curve…
(a) (b) 2) Refer to Figure 5.2.1 above. Which of the two figures describes a risk averse individual? A) The figure in panel (a) B) The figure in panel (b) C) Both figures D) Neither figure
3. \( <2 \) marks \( > \) In the game of roulette, a steel ball is rolled onto a wheel that contains 18 red, 18 black, and 2 green slots. If the ball is rolled 10 times, find the probabilities of the following events: \[ \begin{array}{l} 10 \text { times, find the probabilities of the following…
3. \( <2 \) marks \( > \) In the game of roulette, a steel ball is rolled onto a wheel that contains 18 red, 18 black, and 2 green slots. If the ball is rolled 10 times, find the, probabilities of the following events: \[ \text { Bi } 10 \text { times, find dist } \text { tir }_{r}=P_{n}(X=x)={…
1. A cone-roof tank having a filled capacity of 100,000 bbl is to be designed. Determine the optimum proportion of \( D / H \) from the following cost considerations. The fabricated shell, roof (including plates, rafters, girders and columns), and bottom are estimated to cost 18,20 , and 14…
ENGLISH irection:Read the situation below and answer the question by doing the rebbing activity in your answer sheet. Maria was walking down the street when she heard loud, high-pitched and, popping sounds from the nearby burning building where rescue perations are ongoing.
Determine the charge on each plate of a \( 0.050-\mu \mathrm{F} \) capacitor when the potential difference between the plates is 200 V . Ans. \( 10 \mu \mathrm{C} \)
The potential difference between two large parallel metal plates is 120 V . The plate separation is 3.0 mm . Find the electric field between the plates. Ans. \( 40 \mathrm{kV} / \mathrm{m} \) toward negative plate
PHY2049 Capacitor Group Problem Find the equivalent capacitance of the circuit:
Determine the charge on each plate of a \( 0.050-\mu \mathrm{F} \) capacitor when the potential difference between the plates is 200 V . Ans. \( 10 \mu \mathrm{C} \)
Find the equivalent resistance, Req for the following resistor combination circuit
For each of the following scenanos, begin by assuming that all demand factors are set to their original values and Lakes is charging \( \$ 150 \) per room per night. If average household income increases by \( 20 \% \), from \( \$ 50,000 \) to \( \$ 60,000 \) per year, the quantity of rooms…
The potential difference between two large parallel metal plates is 120 V . The plate separation is 3.0 mm . Find the electric field between the plates. Ans. \( 40 \mathrm{kV} / \mathrm{m} \) toward negative plate
Several growers are happy with this advancement in technology because now they can sell more crops, which they believe will lead to increases in revenue. Using elasticities, you will be able to determine whether this price change will lead to a rise or fall in total revenue in this…
Several growers are happy with this advancement in technology because now they can sell more crops, which they believe will lead to increases in revenue. Using elasticities, you will be able to determine whether this price change will lead to a nse or fall in total revenue in this…
For each of the regions, use the midpoint method to identify whether the supply of this good is elastic or inelastic. \begin{tabular}{|c|c|c|} \hline Region & Elastic & Inelastic \\ \hline Between V and W & 0 & 0 \\ \hline Between \( X \) and \( Y \) & 0 & 0 \\ \hline \end{tabular}
4. Calculating the price elasticity of supply Frances is a retired teacher living in Dallas who teaches clarinet lessons to supplement their normal income. At an hourly wage rate of \( \$ 15 \), they are willing to teach 3 hours per week. Upping the wage to \( \$ 30 \) per hour, they are…
Question 4 [19] Given that you have to develop an electric drive for a three-wheel Tuk-Tuk which will be used to move people from the Wits main campus to the education campus in Park Town. The Tuk Tuk can only carry a maximum of two people at a time and can reach its maximum speed of \( 60…
If a person lifts upper body on day 1, is ok for them to lift upper body again the next day? Please explain below.
What is considered the average Resting Heart Rate? From this number of beats to this # of beats
How many days per week is it recommended for someone to exercise for general health vs optimal health?
Why is it so important to perform initial fitness testing before beginning any exercise routine? More importantly for someone new to fitness? Explain in your own words below.
Why are Target Heart Rate Zones so important with each activity performed? Explain in your own words why we track these zones and how you determine if you have reached them during a given activity below.
What does Maximum Heart Rate mean for fitness purposes? List and explain below.
How much water do you need to consume each day based on your current weight? Age 24
The market for donuts is in a competitive equilibrium, as shown above. The government decides to impose a $4 excise tax on donut producers. After the tax is imposed what is the deadweight loss?
Read the case study entitled ‘Fuel taxes and optimality’ and answer the following THREE (3) questions: FUEL TAXES AND OPTIMALITY How much petrol should be taxed? The tax on petrol varies widely around the developed world. America’s gasoline tax is currently about 40 cents an American gallon,…
2. A manufacturing company plans to upgrade its factory equipment by purchasing various machines over the course of the year. The value of these purchases is given in the following table. According to the agreement with the equipment suppliers, the company will make a lump-sum payment at the…