Task id9626
In a uniform electrostatic field, the intensity vector of which is directed vertically downward and is equal in magnitude to 10 kV/m, there is a charged ball A suspended from point O on a thin insulating thread of length l = 1 m. The charge of the ball is q = 3 • 10-6 C, mass m = 10 g. The ball was given an initial speed v0 = 1 m/s, directed perpendicular to the tension vector E. Find the tension force of the thread at the moment the ball reaches its extreme position.
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