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September 23, 2014

Homework Help: Physics

Posted by Please Help!!!!!!!!!!! on Thursday, February 10, 2011 at 10:48pm.

A proton is launched from the surface of a 2.0 cm diameter glass sphere that is charged to -25.0 nC. What is the speed of the proton when it is launched so that it just escapes the influence of the charge of the glass sphere?

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