An Electron Is Moving with a Speed of 3

question 49

Multiple Choice

An electron is moving with a speed of 3.5 × 10⁵ m/s when it encounters a magnetic field of 0.60 T. The direction of the magnetic field makes an angle of 60.0° with respect to the velocity of the electron. What is the magnitude of the magnetic force on the electron?

• A)4.9 × 10^-13 N
• B)3.2 × 10^-13 N
• C)1.7 × 10^-13 N
• D)3.4 × 10^-14 N
• E)2.9 × 10^-14 N

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