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The force of -50.0μC at (-10.0m, 0) and 80.0μC at (10.0m, 0) on 20.0μC at (0,...

The force of -50.0μC at (-10.0m, 0) and 80.0μC at (10.0m, 0) on 20.0μC at (0, 0) is (a) 0.234N, 180o   (b) 0.234N,-180o (c) both a & b. (d) neither a nor b.

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