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domyy
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Homework Statement
two equal charges repel one another with a f = 4.0x 10^-4N when they are 10cm apart. If they are moved until the separation is 5.0 cm, the repulsive force is...
Homework Equations
f= kq1q2/r^2
The Attempt at a Solution
I already calculated and I just would like someone to tell me if 16x10^-4 seems correct.
I calculated q to then find force at 5.0cm. Is that right?
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