A 1.0-C point charge is 15 m from a second point charge, and the electric force on one of them due to the other is 1.0 N. What is the magnitude of the second charge? (k = 1/4??0 = 8.99 × 109 N • m2/C2)
A) 25 C
B) 1.0 C
C) 10 nC
D) 0.025 C
E) 25 nC
E
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