Question: A Styrofoam ball covered with a conducting paint has a mass of 5.0 103 kg and has a charge of 4.0 C. What

A Styrofoam ® ball covered with a conducting paint has a mass of 5.0 × 10−3 kg and has a charge of 4.0 μC. What electric field directed upward will produce an electric force on the ball that will balance its weight?

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