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Homework Statement
Two identical like-charged conductive spheres are placed very close to each other, the charges willl redistribute themselves on the sphere's surface with an effective center-to-center distance rc so as to approximately satisfy the Coulomb's law, F = ke q1 q2 / (rc)^2. Is the value of rc larger or smaller than the physical center-to-center separation r between the two spheres? Explain
Homework Equations
The Attempt at a Solution
I guess the surfaces between the spheres will become neutral, and the charges will redistribute on the other side in each sphere, then i have no idea what to do next with the question.
I have not study for five years, forget most of them already, please help, thx
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