A proton moving eastward with a velocity of 5.0 km/s enters a magnetic field of 0.20 T pointing northward. What are the magnitude and direction of the force that the magnetic field exerts on the proton? (e = 1.60 × 10-19 C)

A) 0 N
B) 1.6 × 10-16 N upwards
C) 1.6 × 10-16 N downwards
D) 1.1 × 10-16 N eastwards
E) 4.4 × 10-16 N westwards


B

Physics & Space Science

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