A small plastic ball of mass m = 3.00 g is suspended by a string of length L = 18.5 cm in a uniform electric
A small plastic ball of mass m = 3.00 g is suspended by a string of length L = 18.5 cm in a uniform electric field, as shown in the gure below. If the ball is in equilibrium when the string makes a 9 : 16.0\" angle with the vertical as indicated, what is the net charge on the ball? F y | l s I E=L00>
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