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Two metal spheres of identical mass m = 3.60 g are suspended by light strings 0.500...

Two metal spheres of identical mass m = 3.60 g are suspended by light strings 0.500 m in length. The left-hand sphere carries a charge of 0.765 µC, and the right-hand sphere carries a charge of 1.61 µC. What is the equilibrium separation between the centers of the two spheres?

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