A charge of 30 micro coulombs and a second charge are, Ask an Expert

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A charge of 3.0 micro coulombs and a second charge are initially far apart. If it takes 29 J of work to bring them to a final configuration in which the 3.0 micro coulombs is at x = 1.0 mm, y = 1 mm, and the other charge is at (1mm, 3mm), find the magnitude of the unknown charge.

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