Question: Of the charge Q on a tiny sphere, a fraction d is to be transferred to a second, nearby sphere. The spheres can be treated

Of the charge Q on a tiny sphere, a fraction d is to be transferred to a second, nearby sphere. The spheres can be treated as particles.
(a) What value of a maximizes the magnitude F of the electrostatic force between the two spheres?
What are the
(b) Smaller and
(c) Larger values of a that put F at half the maximum magnitude?

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