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dave67tapout dave67tapout
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11 years ago
How do you derive Coulomb's law to solve for r?
F=K(qAqB/r^2)
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wrote...
11 years ago
Do you really mean derive, or do you just mean "rearrange"?

To solve for r, multiply both sides by r^2.

Fr^2 = k*qA*qB

Divide by F

r^2 = k*qA*qB/F

Take the square root.
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