Two small metallic spheres-how long are the strings

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Reference no: EM13678769

Two small metallic spheres, each of mass m = 0.212 g, are suspended as pendulums with light strings of length L as shown in the figure below. The spheres are given the same electric charge of 7.1 nC, and they come to equilibrium when each string is at an angle of = 5.15° with the vertical. How long are the strings?

Reference no: EM13678769

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