Homework Help: Physics

Posted by Sara on Wednesday, January 23, 2013 at 4:05pm.

Q1 and Q2 are charged objects of the same sign separated by a distance 29.9 m. If you place another charged object (Q3) a distance 8.0 m from Q2 along a direct line between Q1 and Q2, it experiences no net electric field. So, if the magnitude of Q2 = 9.3 C, what is the magnitude of charge Q1?

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