Friday
October 31, 2014

Homework Help: Physics

Posted by Gerald on Monday, September 20, 2010 at 1:49am.

An electron is a subatomic particle (m = 9.11 *10^-31 kg) that is subject to electric forces. An electron moving in the +x direction accelerates from an initial velocity of +5.31 * 10^5 m/s to a final velocity of +2.21 * 10^6 m/s while traveling a distance of 0.040 m. The electron's acceleration is due to two electric forces parallel to the x axis: 1 = +6.75 * 10^-17 N, and 2, which points in the -x direction. Find the magnitudes of the net force acting on the electron and the electric force 2.

I have been trying to do this problem for close to an hour and still cannot make any headway on it. Can someone please show me the steps to solving this problem? Thank you so much!

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