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Question: a small 7 g plastic ball is suspended by a...

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A small 7 g plastic ball is suspended by a 22.4 cm long string in a uniform electric field 1140 N/C as shown. The ball is in equilibrium when the string makes a 26◦ angle with the vertical.

A) What is the net charge q on the ball? The acceleration due to gravity is 9.8 m/s2 . Answer in units of µC.

Doing it how I thought but its not taking my answer of 33.5423

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