Two particles, with charges of 20.0 nC and -20.0 nC, are placed at points with c

Question

Two particles, with charges of 20.0 nC and -20.0 nC, are placed at points with coordinates <0, 4.00 cm> and <0, -4.00 cm> as shown in the figure. A particle with charge 10.0 nC is located at the origin. (a) Find the electric potential energy of the configuration of the three fixed charges. (b) A fourth particle, with a mass of 2.00 x 10-13 kg and charge of 40.0 nC, is released from rest at the point <3.00 cm, 0>. Find its speed after it has moved freely to a very large distance away.

Please answer with equation used and calculations. Thanks!!

Explanation / Answer

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