The electrostatic field is created by a positively charged infinite thread with a constant linear density of 1 nC / cm. What speed will an electron acquire when it approaches the filament along a line of tension from a distance of 1.5 cm to 1 cm under the influence of a field?

Task 31677. Detailed solution with a brief record of the conditions, formulas and laws used in the decision, the conclusion of the calculation formula and the answer.

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