Задача 31644.

The proton passed an accelerating potential difference of 300 V and flew into a uniform magnetic field of 20 mT at an angle of 30 ° to the lines of magnetic induction. Determine the pitch and radius of the helical line along which the proton will move in a magnetic field.

A detailed solution with a brief description of the condition, formulas and laws used in the solution, the derivation of the formula and the answer.
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