Homework Answers
Power density versus wavelength graph is plotted on the black body radiation curve with power density on vertical axis and wavelength on the horizontal axis. The wavelength at which the power density radiated is highest gives the measure of the temperature according to Wien's displacement law.
where b is the Wien's displacement constant given by 2.897X10^-3 m-K
Correct answer is Temperature.
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On a graph of a black body curve we graph two known quantities and use the...
[10] 9. Use a graphing calculator to sketch the graph (on this paper) of the parametric curve 24t, y2 - 4t. Estimate the coordinates of the point where the graph crosses itself. Confirm your estimate...
[10] 9. Use a graphing calculator to sketch the graph (on this paper) of the parametric curve 24t, y2 - 4t. Estimate the coordinates of the point where the graph crosses itself. Confirm your estimate algebraically, then find the equations of the two tangent lines to the graph at that point.
[10] 9. Use a graphing calculator to sketch the graph (on this paper) of the parametric curve 24t, y2 - 4t. Estimate the coordinates of the point where the...
The following graph shows two known points (X and Y) on a demand curve for tomatoes....
The following graph shows two known points (X and Y) on a demand curve for tomatoes. PRICE (Dollars per pound) Demand .. QUANTITY (Thousands of pounds of tomatoes) L which suggests According to the midpoint method, the price elasticity of demand for tomatoes between point x and point Y is approximately that the demand for tomatoes is between points X and Y.
Place the black point (plus symbol) on the following graph to indicate the profit- maximising price...
Place the black point (plus symbol) on the following graph to indicate the profit- maximising price and quantity of a monopolist. 5. Monopoly outcome versus competition outcome Consider the daily market for hot dogs in a small city. Imagine that this market is in long-run competitive equilibrium with many hot dog stands in the city, each one selling the same kind of hot dogs. Therefore, each vendor is a price taker and possesses no market power Monopaly Outcome The following...
How can we use the y-intercept and the slope from the graph to determine Planck's Constant...
How can we use the y-intercept and the slope from the graph to
determine Planck's Constant and the work function in the equation
KEmax=hf−ϕ ?
(Note: I know the linearization is showing the y-int. and slope to
be zero because the values are so small, but conceptually how could
we do it?)
Max. Kinetic Energy vs Frequen... 2.5x10-19 2x10-19 Max. Kinetic Energy (J) 1.5x10-19 1x10-19 500T 550T 600T 650T 700T 750T Frequency (Hz) Max. Kinetic Energy Curve: y= AX +...
In the two-period model, we normally graph the consumer's indifference curve in the C-C'axis. Question: Explain...
In the two-period model, we normally graph the consumer's indifference curve in the C-C'axis. Question: Explain why the shape of the indifference curve can explain the desire of a consumer to smooth consumption over time. (Hint: If it helps, you can start by thinking of the shape of the curves when c=c' which are an extreme case.)
Problem 1.5 Planck's law Now that we are all caught up on math, let's take those...
Problem 1.5 Planck's law Now that we are all caught up on math, let's take those skills and put them to use on some astronomy! Planck's law is written in frequency form as 2hv3/c2 I(v,1)= env/KT – 1 Problem 1.5.1 What is the intensity of a blackbody with temperature 6000 K at a frequency of 6 x 1014 Hz? (5 points) Problem 1.5.2 Thinking about the above blackbody with a temperature of 6000 K, is the peak intensity at a...
D Question 7 1 pts Use the following graph that shows the marginal cost (MC) curve,...
D Question 7 1 pts Use the following graph that shows the marginal cost (MC) curve, the Average Variable Cost (AVC) curve, and the Average Total Cost (ATC) curve. What is the variable cost when the quantity (Q) being produced is 6? P MC ATC /AVC $15 $11 $8 Q O $66 $8 O $15 $11 Question 8 1 pts Use the following graph that shows the marginal cost (MC) curve, the Average Variable Cost (AVC) curve, and the Average...
Question Six (worth ten points) Refer to Graph Two in answering the parts of this question....
Question Six (worth ten points) Refer to Graph Two in answering the parts of this question. Assume that initially we are at equilibrium at point M and that the cost to each firm of producing a unit of the good goes down by $15 per unit. This shifts the supply curve to the right. (a) How much did supply go up (measured in units of the good)? There is an excess supply at the price of $50. This excess demand,...
We need to determine if the vector field depicted in graph 1 and graph 2 are conservative by usin...
we
need to determine if the vector field depicted in graph 1 and graph
2 are conservative by using the last 3 bullets points in the
picture
Project 1. Fundamental theorem of line integrals In our course we learned the fundamental theorem of line integrals: if F is a conservative vector field with potential f and C is a curve connecting point A to b, then f-dr = f(B)-f(A). Moreover it happens if and only if for any closed curve...
P4-2 2. Suppose that in the town of Beckertown, black house painters compete against white house...
P4-2
2. Suppose that in the town of Beckertown, black house painters compete against white house painters and they are equally productive. Some employers have a preference for white house painters; they are willing to pay a price so that they do not have to hire black painters. Other employers do not care whether they hire black or white painters as long as they are equally productive. You have been doing research on this market and you know that the...
[10] 9. Use a graphing calculator to sketch the graph (on this paper) of the parametric curve 24t, y2 - 4t. Estimate the coordinates of the point where the graph crosses itself. Confirm your estimate algebraically, then find the equations of the two tangent lines to the graph at that point.
[10] 9. Use a graphing calculator to sketch the graph (on this paper) of the parametric curve 24t, y2 - 4t. Estimate the coordinates of the point where the...
The following graph shows two known points (X and Y) on a demand curve for tomatoes. PRICE (Dollars per pound) Demand .. QUANTITY (Thousands of pounds of tomatoes) L which suggests According to the midpoint method, the price elasticity of demand for tomatoes between point x and point Y is approximately that the demand for tomatoes is between points X and Y.
Place the black point (plus symbol) on the following graph to indicate the profit- maximising price and quantity of a monopolist. 5. Monopoly outcome versus competition outcome Consider the daily market for hot dogs in a small city. Imagine that this market is in long-run competitive equilibrium with many hot dog stands in the city, each one selling the same kind of hot dogs. Therefore, each vendor is a price taker and possesses no market power Monopaly Outcome The following...
How can we use the y-intercept and the slope from the graph to
determine Planck's Constant and the work function in the equation
KEmax=hf−ϕ ?
(Note: I know the linearization is showing the y-int. and slope to
be zero because the values are so small, but conceptually how could
we do it?)
Max. Kinetic Energy vs Frequen... 2.5x10-19 2x10-19 Max. Kinetic Energy (J) 1.5x10-19 1x10-19 500T 550T 600T 650T 700T 750T Frequency (Hz) Max. Kinetic Energy Curve: y= AX +...
In the two-period model, we normally graph the consumer's indifference curve in the C-C'axis. Question: Explain why the shape of the indifference curve can explain the desire of a consumer to smooth consumption over time. (Hint: If it helps, you can start by thinking of the shape of the curves when c=c' which are an extreme case.)
Problem 1.5 Planck's law Now that we are all caught up on math, let's take those skills and put them to use on some astronomy! Planck's law is written in frequency form as 2hv3/c2 I(v,1)= env/KT – 1 Problem 1.5.1 What is the intensity of a blackbody with temperature 6000 K at a frequency of 6 x 1014 Hz? (5 points) Problem 1.5.2 Thinking about the above blackbody with a temperature of 6000 K, is the peak intensity at a...
D Question 7 1 pts Use the following graph that shows the marginal cost (MC) curve, the Average Variable Cost (AVC) curve, and the Average Total Cost (ATC) curve. What is the variable cost when the quantity (Q) being produced is 6? P MC ATC /AVC $15 $11 $8 Q O $66 $8 O $15 $11 Question 8 1 pts Use the following graph that shows the marginal cost (MC) curve, the Average Variable Cost (AVC) curve, and the Average...
Question Six (worth ten points) Refer to Graph Two in answering the parts of this question. Assume that initially we are at equilibrium at point M and that the cost to each firm of producing a unit of the good goes down by $15 per unit. This shifts the supply curve to the right. (a) How much did supply go up (measured in units of the good)? There is an excess supply at the price of $50. This excess demand,...
we
need to determine if the vector field depicted in graph 1 and graph
2 are conservative by using the last 3 bullets points in the
picture
Project 1. Fundamental theorem of line integrals In our course we learned the fundamental theorem of line integrals: if F is a conservative vector field with potential f and C is a curve connecting point A to b, then f-dr = f(B)-f(A). Moreover it happens if and only if for any closed curve...
P4-2
2. Suppose that in the town of Beckertown, black house painters compete against white house painters and they are equally productive. Some employers have a preference for white house painters; they are willing to pay a price so that they do not have to hire black painters. Other employers do not care whether they hire black or white painters as long as they are equally productive. You have been doing research on this market and you know that the...
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