## A charge of -7 x 10-8 C exerts a force of 0.045 N on a charge of +6.0 x 10-7.

Question

**A charge of -7 x 10 ^{-8 }C exerts a force of 0.045 N on a charge of +6.0 x 10^{-7}.**

**How far apart far are the charges?**

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General Physics
4 years
1 Answer
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## Answer ( 1 )

f=kQq/r2

Rearanged: [sqrt](kQq/r2)

=[√](9×109)(7×10-8C)(6×10-7C)/(0.…

r=.092m