A proton, traveling with a velocity of 6.5 × 106 m/s due east, experiences a maximum magnetic force of 8.0 × 10-14 N. The direction of the force is straight down, toward the surface of the earth. What is the magnitude and direction of the magnetic field B, assumed perpendicular to the motion?
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A proton, traveling with a velocity of 6.5 × 106 m/s due east, experiences a maximum magnetic force...
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