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Electrons are released form rest inside a parallel plate capacitor at a distance, D, from a positively charged plate. The plate separation is d.
a) Draw the situation - include geometric dimensions and indicate the sign of charge on each plate.
b) Which plate will the electrons hit?
c) How fast is the electron moving when it hits the plate?
d) How much kinetic energy does the electron gain?
e) How much work does the electric field do on the electron?
f) If the electric field remains constant in spite of the electrons between the plates, what ultimately is doing work?
A 430 gram rock is whirled on the end of a string 45 cm long which will break under a tension of 22 N. What is the radius of the circle of motion
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you are driving through town at 13.5 ms when suddenly a ball rolls out in front of you. you apply the brakes and begin
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questiona 170g copper bowl contains 200g of water both at 21c. a very hot 490g copper cylinder is dropped into the
The truck barely exceeds this acceleration and then moves with constant acceleration, with the crate sliding along its bed. What is the acceleration of the crate relative to the ground
The frequency doubled output of a Nd3+ YAG laser has a wavelength of 532nm. If each pulse of light has a total energy of 0.550J and the repetition rate of the laser is 30Hz, how many photons does the laser emit at 532nm in 3 minutes.
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Waves from a radio station have a wavelength of 319 m. They travel by two paths to a home receiver 19.2 km from the transmitters. One path is a direct path, and the second is by re?ection from a mountain directly behind the home receiver.
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