Posted by **katie** on Sunday, July 14, 2013 at 7:38am.

An electrostatic paint sprayer has a 0.200-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 arrive at the object with a speed of 10.0 m/s?

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