Below is the exact wording of the problem\" \"Electrons travel at a speed of 6.0

Question

Below is the exact wording of the problem"

"Electrons travel at a speed of 6.0x107 m/s in a television tube. The electrons are affectd by Earth's magentic field. The tube, which is 0.40 m long, is located at a region where the magnetic field has a vertical component of 18T and a horiziontal component of 24T. If the initial direction of the electron beam is in the same direction as the horizontal component of Earth's magnetic field, in which direction and by how much, is the electron beam deflected?"

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Explanation / Answer

F = q v B force on electron where B = 1.8 * 10E-5 since this is the component of B perpendicular to the motion of the electron. F = m a = q v B a = (q v B) / m S = 1/2 a t^2 the deflection of the electron S = q v B t^2 /(2 m) t = D / v where D = .4 the distance traveled Then S = q D^2 B / (2 m v) Now substitute and solve

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