Question: A small 2.00-g plastic ball is suspended by a 20.0-cm-long string in a uniform electric field, as shown in Figure. If the ball is in

A small 2.00-g plastic ball is suspended by a 20.0-cm-long string in a uniform electric field, as shown in Figure. If the ball is in equilibrium when the string makes a 15.0? angle with the vertical as indicated, what is the net charge on theball?

E = 1.00 x 10 N/C 20.0 cm 15.0 m = 2.00 g

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