Coulomb's Law (Electric Force) Video Lessons

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Problem: The electric force between two point charges is given by Coulomb's Law  F = kq1q2/r2.If you make the distance between two charges 5.43 times larger, the electric force they exert on each other becomes _______ times smaller. (Use 3 numbers in your answer).

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Coulomb's law:

F=kq1q2r2

r is the distance between the charges q1 and q2.

If we make r 5.43 times larger, the new electric force will be:

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Problem Details

The electric force between two point charges is given by Coulomb's Law  F = kq1q2/r2.
If you make the distance between two charges 5.43 times larger, the electric force they exert on each other becomes _______ times smaller. (Use 3 numbers in your answer).

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