Task 30201.
The proton flies into the region of action of a uniform magnetic field with induction B = 0.1 T, where it moves along a circular arc of radius R = 4 cm. Then the proton enters a uniform electric field so that it moves against the direction of the field line. What potential difference must a proton pass through for its speed to change by a factor of n = 2?
Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.
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