Task id10459
A ball weighing 5 g with a charge of 2 mC is suspended on a thread 1 m long in a horizontal electric field with a strength of 20 V/m. The ball is first held in the down position and then released. Find the tension in the thread (in mN) at the moment when the ball rises 20 cm above its initial position, g = 10 m/s2.
Detailed solution. Format jpg
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