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Question: Consider the circuit above, which is powered by a 9-V battery. Switch S is opened at t = 0 after having been closed for a long time.
(a) How much energy is stored in the inductor at t = 0? mJ
(b) What is the instantaneous rate of change of the inductor's energy at t = 0? W
(c) What is the average rate of change of the inductor's energy between t = 0.0 and t = 1.0 s? W
(d) How long does it take for the current in the inductor to reach 0.050 times its initial value? ms
A guitar string is 90.0 cm long and has a mass of 3.23g. find the frequencies of the fundamental and first two overtones
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An amount of ideal gas is con?ned to a sealed box at one-half atmospheric pressure, i.e., 50.65 kPa. With clever control, the volume of the box is reduced to 1/8 of its original value (without any gas leaking in or out), while the temperture is ke..
On your way to class you are walking North up the oval. From Dale Hall you walk 180 m towards Nielsen Hall when you meet a friend heading the other direction.
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white light illuminates an oil film on water. viewing it directly from above it looks red. assume that the reflected
A 2.00 kilogram package is released on a 53.1 degree incline, L =4.14 meter from a long spring with force constant 120 N/m that is attached at the bottom of the incline. Find the speed of the package just before it reaches the spring
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