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July 24, 2014

Homework Help: physics

Posted by matt on Friday, March 30, 2012 at 10:32am.

Please Help,

Two point charges are fixed on the y axis: a negative point charge q1 = -23 C at y1 = +0.23 m and a positive point charge q2 at y2 = +0.33 m. A third point charge q = +7.8 C is fixed at the origin. The net electrostatic force exerted on the charge q by the other two charges has a magnitude of 29 N and points in the +y direction. Determine the magnitude of q2.

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