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Two 2.5cm -diameter disks spaced 2.0 mm apart form a parallel-plate capacitor. The electric field between the disks is 4.1×105 V/m.
A) What is the voltage across the capacitor? Which I found to be 820 V
B) How much charge is on each disk? (Answer in Coulombs)
C) An electron is launched from the negative plate. It strikes the positive plate at a speed of 2.4×107 m/s. What was the electron's speed as it left the negative plate? (Answer in m/s)
Nothing, the charges are too cold to deliver any response. D. There is a localization of negative charge near the door handle.
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After being struck by the stone, the boat's velocity is 1.9 m/s, due east. Illustrate what is the mass of the boat? Assume the water offers no resistance to the boat's motion.
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