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A proton Gun fires a proton from midway between two plates, A and B, which are separated by a distance of 0.1m. The proton initially moves at a speed of 150 km/s towards plate B. Plate A is kept at zero potential, and plate B at a potential of 400 V.
a) Will the proton hit plate B?
b) If not, where will it turn around?
c) With what speed will it hit plate A?
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