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 PRemastered 1 year 1 Answer 400 views 0

Answer ( 1 )

  1. f=kQq/r2
    Rearanged: [sqrt](kQq/r2)

    =[√](9×109)(7×10-8C)(6×10-7C)/(0.…
    r=.092m

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