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September 22, 2014

Homework Help: physics

Posted by Natasha on Saturday, March 10, 2012 at 7:57pm.

An electron is a subatomic particle (m = 9.11 x10-31 kg) that is subject to electric forces. An electron moving in the +x direction accelerates from an initial velocity of +5.11 x 105 m/s to a final velocity of 1.67 x 106 m/s while traveling a distance of 0.0654 m. The electron's acceleration is due to two electric forces parallel to the x axis: = 8.18 x 10-17 N, and , which points in the -x direction. Find the magnitudes of (a) the net force acting on the electron and (b) the electric force .

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