Problem an electron is traveling in a vacuum tube of 14 x, Ask an Expert

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Problem: An electron is traveling in a vacuum tube of 1.4 x 107 m/s in a horizontal direction toward the south. There is a constant magnetic field in the tube with a magnitude of 0.5 gauss. The direction of the magnetic field is toward the north and 30 degrees down (toward the ground).

A- What is the magnitude of the magnetic (Lorentz) force on the electron?

Express your knowledge to solve the above problem. Thanks.

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