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Two identical small, charged spheres, each having a mass of 30 g, hang in equilibrium as...

Two identical small, charged spheres, each having a mass of 30 g, hang in equilibrium as shown in the figure. The length L of each string is 0.3 m, and the angle theta is 50. Find the magnitude of the charge on each sphere in (nC).(ke= 9*109 N.m2/C2)

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