A 8.20 μC charged 1.00 g cork ball is suspended vertically on a 1.100 m long light string in the presence of a uniform downward-directed electric field of magnitude E = 8.50x105 N/C. If the ball is displaced slightly from the vertical, it oscillates like a simple pendulum. (b) Find the magnitude of the electric force on the ball due to the electric field.

A 8.20 μC charged 1.00 g cork ball is suspended vertically on a 1.100 m long light string in the presence of a uniform downward-directed electric field of magnitude E = 8.50x105 N/C. If the ball is displaced slightly from the vertical, it oscillates like a simple pendulum. (b) Find the magnitude of the electric force on the ball due to the electric field.

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