Homework Help: physics

Posted by Paige on Sunday, August 28, 2011 at 9:19pm.

A small plastic sphere with a charge of -5.0 is near another small plastic sphere with a charge of -15 .

Part A -

If the spheres repel one another with a force of magnitude 8.3×10−4 , what is the distance between the spheres?

Express your answer using two significant figures.

physics - bobpursley, Sunday, August 28, 2011 at 9:49pm
force= k q1*q2/distance^2

You just have to cite units when you givenumbers.

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