A Proton Moving with a Velocity of 4

question 74

Multiple Choice

A proton moving with a velocity of 4.0 × 10⁴ m/s enters a magnetic field of 0.20 T. If the angle between the velocity of the proton and the direction of the magnetic field is 60°, what is the magnitude of the force on the proton?

• A) 1.8 × 10^-15 N
• B) 0.60 × 10^-15 N
• C) 1.1 × 10^-15 N
• D) 2.2 × 10^-15 N
• E) 3.3 × 10^-15 N

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