Log1989 problem № 11.22

Log1989 problem № 11.22

Two identical balls of radius r = 1.5 cm and mass m = 16 g each, are suspended at one point on filaments of the same length L = 19 cm. Balls are given the same charges. Find the charge of each of the balls, if they have dispersed so that the filaments form an angle of 60 degrees.

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