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A small sphere of mass m = 7.30 g and charge q1 = 28. A second charge of equal mass and charge q2 = 58.

A small sphere of mass m = 7.30 g and charge q1 = 28.7 nC is attached to the end of a string and hangs vertically as in the figure. A second charge of equal mass and charge q2 = −58.0 nC is located below the first charge a distance d = 2.00 cm below the first charge as in the figure. Find the tension of the string.

This question was asked on Jan 14, 2013.

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