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April 20, 2014

Homework Help: physics

Posted by Martin on Saturday, May 19, 2012 at 8:20pm.

given that the mass of an electron is 9.1 x 10^-28 grams and the charge on an electron is 1.6 x 10^-19 Coulombs, calculate the voltage required to lift an electron 5 cm.

the question was previously answered, but I did'nt understand it .. could some show me again please.

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