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A proton is initially at rest at a point where the potential is 600 V. Some time later the proton is at a point where the potential is 400 V.
A proton is initially at rest at a point where the potentialis 600 V. Some time later the proton is at a point wherethe potential is 400 V. If no force other than the electrostaticforce acts on the proton, what is its final velocity?