Write state equations for the circuit of Figure E-1 with the inductor current, 
and capacitor voltage, 
as the state variables and the voltage at the input, 
as the excitation and the voltage at the output, 
as the response.
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Estimate the avoided yearly CO2 emissions from the following:
a. Switching from a single 60-watt incandescent bulb that burns for 6 hours per day to a 13-watt CFL. b. Using pure biodiesel instead of motor gasoline for an automobile that travels 60,000 miles per year with a fuel economy of 28 mpg. c. Replacing an air conditioner with an EER of 11 with a unit that has an EER of 14, if the cooling load is 22 million Btu per year. d. Upgrading a natural gas furnace from one with 88% efficiency to one with 92% efficiency, if the heating load is 55 million Btu per year. What will be an ideal response?
The volume of a cylinder is given by 
where r is the radius of the cylinder and h is the height. Assume the radius, in cm, is lognormal with parameters 
= 1.6 and 
= 0.04, the height, in cm, is lognormal with parameters 
= 1.9 and 
= 0.05 and that the radius and height are independent.
a. Show that V is lognormally distributed, and compute the parameters 
b. Find P(V < 600).
c. Find P(500 < V < 800).
d. Find the mean of V.
e. Find the median of V.
f. Find the standard deviation of V.
g. Find the 5th percentile of V.
h. Find the 95th percentile of V.
Design an active first-order highpass filter with  figure 1.png)
Use a 1-?F capacitor.
What will be an ideal response?
Archaeological evidence shows that prehistoric humans used mortise and ____ joints.
A. dovetail B. rabbet C. tenon D. miter