What is the net charge on the ball

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A small, 2.10 g plastic ball is suspended by a 20.0 cm long string in a uniform electric field E = 5.60×103 i N/C as shown in the figure below. If the ball is in equilibrium when the string makes a 15.0o angle with the vertical, what is the net charge on the ball?

Reference no: EM13234573

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