Question: Abeam of protons is accelerated to a speed of 5 0
Abeam of protons is accelerated to a speed of 5.0 x 106 m/s in a particle accelerator and emerges horizontally from the accelerator into a uniform magnetic field. What magnetic field (give its direction and magnitude) oriented perpendicularly to the velocity of the proton would cancel the force of gravity and keep the beam moving exactly horizontally?
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