A proton gun fires a proton from midway between two plates, Ask an Expert

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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 71.0 cm; the proton initially moves at a speed of 170.0 km/s toward plate B. Plate A is kept at zero potential, and plate B at a potential of 400.0 V. The proton will not reach plate B.

Where will it turn around? (Relative to Plate A)

With what speed will it hit plate A?

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Category:- Physics
Reference No.:- M91022876

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