Question

A tennis ball has a mass of 0.0500 kg. If you place of charge of +0.250 C on the tennis ball, what electric field would be needed to create an electric force which would balance the gravitational force on the tennis ball?

Answer 1

Answer:

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Answer 2

Answer:

qE=mg

E=mg/q=0.05*10/0.25=0.5/0.25=2 N/C

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