A very small ball has a mass of 5.0 3 1023 kg and a charge
Chapter , Problem 1(choose chapter or problem)
A very small ball has a mass of 5.0 3 1023 kg and a charge of 4.0 mC. What magnitude electric field directed upward will balance the weight of the ball? (a) 8.2 3 102 N/C (b) 1.2 3 104 N/C (c) 2.0 3 1022 N/C (d) 5.1 3 106 N/C (e) 3.7 3 103 N/C
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