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QUESTION
Two 2.0-cm-diameter insulating spheres have a 5.20 cm space between them. One sphere is charged to + 81.0 nC, the other to - 18.
Two 2.0-cm-diameter insulating spheres have a 5.20 cm space between them. One sphere is charged to + 81.0 nC, the other to - 18.0 nC
