Physics, 19.09.2019 05:30, turboslayer

Two point charges are brought closer together, increasing the force between them by a factor of 25. by what factor was their separation decreased? in other words, if r1 is the original separation and r2 is the final separation, what is the ratio r1/r2?

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Two point charges are brought closer together, increasing the force between them by a factor of 25....