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AP Physics 2
12.2 Magnetism and Moving Charges
BeginnerMCQMathematical18.5k
An alpha particle entering a uniform magnetic field.
An alpha particle entering a uniform magnetic field.
An alpha particle (consisting of two protons and two neutrons) enters a region of uniform magnetic field of magnitude \(0.50\text{ T}\) with a speed of \(2.0 \times 10^6\text{ m/s}\). The velocity vector of the particle is perpendicular to the magnetic field lines. What is the magnitude of the magnetic force exerted on the alpha particle by the magnetic field?

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