Two 10¢ coins (dimes) carrying identical charges are lying 2.5 m apart on a table
If each of these coins experiences an electrostatic force of magnitude 2.0 N due to the other coin, how large is the charge on each coin? (k = 1/4??0 = 9.0 × 109 N ? m2/C2)
A) 2.6 ?C
B) 26 ?C
C) 6.7 ?C
D) 5.2 ?C
E) 52 ?C
E
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