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forces on the sphere hung by the threads

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Two small spheres with mass m= 15.6 g are hung by silk threads of length L= 1.18 m from a common point (see attachment). When the spheres are given equal charges, so that q1 = q2, each thread hangs at an angle theta= 25.0 degrees from the vertical.

Draw a diagram showing the forces on the left sphere. Treat the spheres as point charges.

Draw a diagram showing the forces on the right sphere. Treat the spheres as point charges.

Find the magnitude of q.

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Solution Summary

The solution draws the diagrams to show the forces on the spheres, which are hung by silk threads. It then shows how to find the charges on the sphere to maintain equilibrium.

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