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March 6, 2015

Homework Help: Physics

Posted by Priscilla on Wednesday, February 3, 2010 at 4:31pm.

1. The electrostatic force of attraction between two small spheres that are 1.0 meter apart is F. If the distance between the spheres is decreased to 0.5 meter, the electrostatic force will be

a) F/2
b) 2f
c) F/4
d) 4F

I know when the distance is decreased the Fe would decrease as well.

2. Two identical spheres, A and B, carry charges of +6 microcoulombs and -2 microcoulombs. If these spheres touch, what will be the resulting charge on sphere A?

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