Задача 30867.
Two point charges have the weight 2 and 4 mg and charges -1nKl and +2 nC respectively. How far apart should be placed charges to a uniform external electric field intensity E = 100kV / m, directed along a line passing through the charges, they are accelerated as a whole ie without changing the distance between them?
Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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