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A point charge of 40 nC and -20 nC are located at a distance of 5 cm from each other. Determine the strength of the electric field at a point remote from the first charge at a distance of 4 cm, and the second - at a distance of 3 cm.
Task 31398. Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.
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