Задача 30278.

Two balls weighing 0.2 g each are suspended at a common point on threads 0.5 m long. The balls were given a charge and the threads diverged at an angle of 90 degrees. Determine the field strength and potential at the point of suspension of the ball.

Detailed solution with a brief record of the conditions, formulas and laws used in the solution, derivation of the calculation formula and answer.
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