Friday
April 18, 2014

Homework Help: PHYSICS

Posted by Kg on Sunday, September 30, 2012 at 9:20pm.

A bare helium nucleus has two positive charges and a mass of 6.64 10-27 kg.
(a) Calculate its kinetic energy in joules at 2.00% of the speed of light.


J
(b) What is this in electron volts?


eV
(c) What voltage would be needed to obtain this energy?


V

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