A charged particle with a speed of v = 10 ^ 6 m / s having flown into a uniform magnetic field with induction B = 0.3 T began to move around a circle of radius R = 4 cm. Find the charge Q of the particle if its kinetic energy is T = 12 keV.

Task 31664. 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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