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A 17 ?F capacitor is charged to 20 V and is then connected across a 11 mH inductor.
1) How much energy is stored in the system? 0.0034 is the answer for 1.
2) What is the frequency of oscillation of the circuit?
3) What is the maximum current in the circuit?
The flywheel of an engine has a moment of inertia 2.20 {rm kg} cdot {rm m}^{2} about its rotation axis. What is its final kinetic energy.
while a system is taken from state a to state b in the figure below the path acb, 84.0 of heat flows into the system and 57.0 of work is done by the system.
A ceiling fan with 84cm diameter blades is turning at 61rpm. Assume the fan coasts to a stop 25 after being turned off. What is the speed of tip of a blade 10 s after the fan is turned off.
An electron moves in the positive x-direction a distance of 2.38 m in 2.95 x10-8 s, bounces off a moving proton, and then moves in the opposite direction a distance of 1.63m in 3.53x 10-8 s.
Two charged bodies exert the force of 0.185N on each other. If they are moved so that they are one-fourth as far apart, what force is exerted.
A 1100 car traveling at a speed of 40 skids to a halt on wet concrete where = 0.50. How long are the skid marks.
Three identical conducting spheres initially have following charges: sphere A, 5Q; sphere B, -7Q; and sphere C, 0. Spheres A and B is fixed in place, with a center-to-center separation that is much larger than the spheres.
Sketch on Eratosthenes' method, if two observers are due north and south of each other and are separated by 700 km, what is the circumference of their spherical world if they see same star on their meridian at altitudes of 26 degrees and 47 degrees r..
Find the magnitude of the acceration of each block. what is the magnitude of the average force exerted on the ball by the wall.
An airplane is flying with a velocity of 86.0 at an angle of 23.0 above the horizontal. When the plane is a distance 114 straight above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
The leg and cast weigh 177N (w1). Find out the weight w2 and the angle α required so that no force is exerted on the hip joint by the leg plus cast.
Consider the same situation, but now let the initial speed v_0 of first ball be given and treat the height h of the building as an unknown. What should the height of the building be for both balls to reach the ground at the equivalent time for v_0..
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