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A parallel-plate air-filled capacitor having area 44 cm2 and plate spacing 5.0 millimeter is charged to a potential difference of 900 V. Evaluate the following values.
(a) the capacitance
pF
(b) the stored energy
µJ
(c) the magnitude of the charge on each plate
nC
(d) the energy density between the plates
J/m3
(e) the electric field between the plates
V/m
A 50g ball of clay traveling at speed v0 hits and sticks to a 1.0kg block sitting at rest on a frictionless surface. what os the speed of the brick after the collision
At the tropics, the water close to the surface of the oceanis hotter than the deep water. Would the Second Law ofther modynamics be violated if a machine is been put to operate between these two water levels? Explain.
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a satellite has a mass of 6367 kg and is in a circular orbit 3.70 x 105 m above the surface of a planet. the period of
A 300kg ball with a speedof 6.0 m/s strikes a wall at an angleof 30degrees and then rebounds with the same angle and speed. What is the impulse on the ball from the wall
While running, a person dissipates about 0.524 J of mechanical energy per step per kilogram of body mass. If a 65.5 kg person dissipates a power of 76.6 W during a race, explain how fast is the person running?
suppose that the magnetic field of the earth were due to a single current moving in a circle of radius 2910 km through
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