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April 16, 2014

Homework Help: W

Posted by Kaitie on Sunday, July 1, 2012 at 12:09am.

A small plastic ball of mass m = 3.00 g is suspended by a string of length L = 24.5 cm in a uniform electric field, as shown in the figure below. If the ball is in equilibrium when the string makes a θ = 16.0 angle with the vertical as indicated, what is the net charge on the ball?

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