Task id9632

Task id9632

A system of two identical and oppositely charged balls connected by a thin insulating rod length l = 5 cm was placed in a uniform electrostatic field, the intensity of which is E = 100 V/cm. The mass of each ball is m = 5 g. The charge modulus of each ball is q = 2 • 10-7 Cl. At what angle will this system rotate if the balls are given initial velocities equal to v0 = 0.1 m/s and directed perpendicular to the field strength lines? Neglect gravity.

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