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derek berry

derek b.

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for t>0. Use KCL and KVL can help you to determine the answers Use negative sign if direction is opposite to the given direction. (a) The initial capacitor voltage vc(0+)= and the initial inductor current iL(0+)= A (b) The rate of capacitor voltage change dtdv(0+)= sV and the rate of inductor current change dtdi(0∗)= sA (c) The final voltage v(∞)= V and the final current i(∞)= A

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With a typical shaped indifference curve (IC), as you move down an IC the marginal utility (MU) of good X______ and MU of good Y______

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All of the following are characteristics of civil rights except: They are rights that the government must safeguard to prevent discrimination against individuals based on arbitrary characteristics. The government must ensure that each person is treated equally. They depend on the structure and action of the government for enforcement. They are protections by the government. All of the above are characteristics of civil rights.

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Calculate the magnitude and direction of the net electrostatic force on the charge Q1 due to the charges Q2 and Q3. Assume that θ1 = 80° and θ2 = 30° and d2 = 5 m. The charges are Q1 = 2 C, Q2 = 5 C, and Q3 = 7 C.

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7. U.S. legislation requires that landfills that accept toxic waste carry insurance against damages that would be caused if that waste leaks out of the landfill and causes some damage. The result is that a large insurance company is essentially on the hook for any damage resulting from the landfill. Explain how this can lead to very close monitoring of operations at the landfill.

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Indicate which of the following statements is true (V) or false (F): • The discrete amplitude spectrum is an even function with respect to n. • The discrete phase spectrum is an even function with respect to n. • The coefficients $C_n$, $n \neq 0$ of the complex series for f(-t) are conjugated with the coefficients of the complex series for f(t). FVF FFF VVV VFV FFV

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1. (20 points) Computerland is a small country which produces three goods: desktops, laptops, and tablets. The prices and quantities for three consecutive years are as follows. \begin{tabular}{|l|l|l|l|l|l|l|} \hline & \multicolumn{2}{c|}{2012} & \multicolumn{2}{c|}{2013} & \multicolumn{2}{c|}{2014} \\ \hline & Price & Quantity & Price & Quantity & Price & Quantity \\ \hline Desktops & 10 & 20 & 10 & 18 & 12 & 24 \\ Laptops & 10 & 50 & 9 & 40 & 12 & 60 \\ Tablets & 5 & 50 & 5 & 45 & 8 & 55 \\ \hline \end{tabular} a. Calculate nominal GDP in 2012, 2013, and 2014. b. Calculate real GDP in constant dollars with the 2012 base year. c. Calculate real GDP in constant dollars with the 2013 base year. d. Explain why the real GDP in constant dollars might be inaccurate measure of economic activity? e. Calculate GDP deflator for both real GDP in (b) and (c). f. Is the economy growing? If so, how much?

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The image of the encircled point on the object formed in the converging lens is at which circle? (F marks the two focal points.) Explain your reasoning in a few sentences. OA OB C F Object F D E

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a) \begin{cases} u u_x + u y = 1 \\ u(x,x) = 2 \end{cases} b) \begin{cases} x u_x + u u_y = x \\ u(1,x) = x + 1 \end{cases} c) \begin{cases} u u_x + y u_y = x + y \\ u(x,1) = x + 1 \end{cases} d) \begin{cases} x u u_x - u_y = 0 \\ u(x,0) = x \end{cases}

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The expected return and standard deviation of the return of Stock A are μA and σA, respectively. The expected return and standard deviation of the return of Stock B are μB and σB, respectively. The correlation coefficient between the returns of the two stocks is equal to -1. a) Find the weights of a portfolio made of Stocks A and B that has a return standard deviation equal to σP > 0. [9 Points] b) Is this portfolio unique? [9 Points] c) Under what conditions will the portfolio formation require the short selling of at least one of the two stocks? [5 Points]

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