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April 19, 2014

Homework Help: physics

Posted by Chan on Thursday, May 6, 2010 at 2:44am.

Hi! could anyone help me to solve this problem please. Thank you.
Question:An electron has a speed of 0.68 c.
(a) Find the speed of a proton that has the same kinetic energy as the electron.
(b) Find the speed of a proton that has the same momentum as the electron.

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