Homework Help: physics

Posted by mike on Wednesday, January 30, 2013 at 1:53pm.

If two charges are a distance R apart from eachother and their force is F, what will the force be if they are moved apart to a distance of 2R?

physics - Devron, Wednesday, January 30, 2013 at 2:07pm
F=Ko(Q1*Q2/r^2)

if r is doubled, the F will be reduced by 1/4.
physics - Devron, Wednesday, January 30, 2013 at 3:50pm
opps, it will be 1/4 of the original F

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