wo small identical spheres have charges of 12´10-9 C and -18´10-9 C respectively. If the spheres are placed 0.30 m apart from each spheres centre a) By means of a sketch and calculation, find the electrostatic force exerted on the one sphere by the other b) The spheres are connected by a conducting wire. By means of a sketch and calculation, find the electrostatic force between the two after the equilibrium is reached, where both spheres have the same charge.

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