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A proton with an initial horizontal velocity of 2.00x106 m / s enters a region with...

A proton with an initial horizontal velocity of 2.00x106 m / s enters a region with a constant electric field. If the plates are 8.2cm long and 3.2cm apart, what must be the electric field intensity in N / C for the proton to hit the bottom plate at its edge? Consider the action of gravity negligible. (write your answer with three significant figures, do not write units)

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