May 29, 2016

Homework Help: Physics

Posted by Steve on Wednesday, March 27, 2013 at 11:34am.

Two positive point charges are placed on the x-axis. One, of magnitude 4Q, is placed at the origin. The other, of magnitude Q is placed at x=3 m. Neither charge is able to move. Where on the x-axis in meters can I place a third positive point charge such that the magnitude of the net force on the third charge is zero?

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