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Two 2.1- cm -diameter-disks spaced 1.5 mm apart form a parallel-plate capacitor. The electric field between...

Two 2.1- cm -diameter-disks spaced 1.5 mm apart form a parallel-plate capacitor. The electric field between the disks is 4.3×105 V/m . V=645V

Part B How much charge is on each disk? Enter your answers numerically separated by a comma. Express your answers in coulombs.

Part C An electron is launched from the negative plate. It strikes the positive plate t a speed of 2.5×10^7 m/s . What was the electron's speed as it left the negative plate?

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