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1. Two charged particles exert a 20 N force on each other. What force will they...

1. Two charged particles exert a 20 N force on each other. What force will they exert on each other if the distance between them is reduced to one-half its original distance?

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Answer #1

Force between the two charged particles given by Coulomb's law.

F is inversely proportional to square of distance between them.  

if we reduce the distance to the half of original distance then the force become 4 times.

if Original force exerted between them is 20N then new force will be 4 times of 20N = 80N.

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