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Four point loads q1= -87.00 nC, q2 = 83.00 nC, q3 = 13.00 nC and q4...

Four point loads q1= -87.00 nC, q2 = 83.00 nC, q3 = 13.00 nC and q4 = -92.00 nC are in the corners of a square on the side 19.00 cm Find the work needed to bring a load q5= -57.00 nC from infinity to the center of the square.

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