Two 10¢ coins (dimes) carrying identical charges are lying 2.5 m apart on a table.If an electrostatic force of magnitude 2.0 N is exerted on each coin by the other coin,how large is the charge on each coin? (k = 1/4πε0 = 9.0 × 109 N ∙ m2/C2)
A) 2.6 μC
B) 26 μC
C) 6.7 μC
D) 5.2 μC
E) 52 μC
Correct Answer:
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