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An electrostatic paint sprayer has a 0.20 m diameter metal sphere at a potential of 25.0 kV that repels paint droplets onto a grounded object.

An electrostatic paint sprayer has a 0.20 m diameter metal sphere at a potential of 25.0 kV that repels paint droplets onto a grounded object. What charge must a 0.100 mg drop of paint have to have to arrive at the grounded object with a speed of 10.0 m/s?

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