What potential difference required to bring proton to rest

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Question: A proton has an initial speed of 3.9 x 105 m/s.

(a) What potential difference is required to bring the proton to rest? _________________ kV

(b) What potential difference is required to reduce the initial speed of the proton by a factor of 3? _________________ kV

(c) What potential difference is required to reduce the initial kinetic energy of the proton by a factor of 3? _______________________kV

Reference no: EM132110994

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