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Two Styrofoam balls have the same charge. Each ball has an excess of N = 108...

Two Styrofoam balls have the same charge. Each ball has an excess of N = 108 protons. The balls are initially separated by a distance, d = 1.9 m. The Coulomb constant is k = 8.988 × 109 N m2/C2.

Part (a) Write an expression for the charge on one of the balls, Q, in terms of the charge on a proton e and the number of excess protons

Part (b) What is the magnitude of the force between the balls, F, in newtons?

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