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April 24, 2014

Homework Help: physics

Posted by DAVE on Monday, February 13, 2012 at 5:37am.

A proton has an initial speed of 3.9105 m/s.

What potential difference is required to bring the proton to rest?

What potential difference is required to reduce the initial speed of the proton by a factor of 2?

What potential difference is required to reduce the initial kinetic energy of the proton by a factor of 2?

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