An electron travels at a speed of 20 times 10^4 m/s through a uniform magnetic f

Question

An electron travels at a speed of 20 times 10^4 m/s through a uniform magnetic field whose magnitude is 1.1 times 10^-3 T. What is the magnitude force on the electron if its velocity and the magnetic field are Express your answer using two significant figures. What is the magnitude of the magnetic force on the electron if its velocity and the magnetic field make an angle of Express your answer using two significant figures. What is the magnitude of the magnetic force on the electron if its velocity and the magnetic field are parallel?

Explanation / Answer

v = 2.0 * 10^4 m/s
B = 1.1 * 10^-3 T

F = q * VxB
F = 1.6 * 10^-19 * 2.0 * 10^4 * 1.1 * 10^-3
F = 3.52 * 10^-18 N

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