A small drop of water is suspended motionless in air by a

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A small drop of water is suspended motionless in air by a uniform electric field that is directed upward and has a magnitude of 8410 N/C. The mass of the water drop is 3.20 x 10-9 kg.

(a) Is the excess charge on the water drop positive or negative?

(b) How many excess electrons or protons reside on the drop?

Reference no: EM13637034

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