Task 31381.
Balls 1 g and 10 g charged. The charge first ball - 3 * 10 ^ -14 Kl, and the charge of the second to be determined. It is known that the strength of the Coulomb repulsion is balanced by the force of mutual attraction.
Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.
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