79.2 particles each of mass ' m ' and carrying charge of ' q'are separated by some distance x. If they are in equilibrium under mutual gravitation and electrostatic forces then q / m is of the order of? Explain in detail

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Two particles each of mass $m$ and carrying charge $Q$ are separated by some distance. If they are in equilibrium under mutual gravitational and electrostatic forces, then Q/m (in C/Kg) is of the order of:

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