The magnetic field of the earth at a certain location is directed vertically downward and has a magnitude of 50. A proton is moving horizontally…
The magnetic field of the earth at a certain location is directed vertically downward and has a magnitude of 50.0 µT. A proton is moving horizontally toward the west in this field with a speed of 6.40 106 m/s. What are the direction and magnitude of the magnetic force the field exerts on the proton?
