Question

above the earth, a 500nT magnetic field captures particles coming from the sun. If a proton moving at 600km/s runs into this magnetic field, what is the radius of motion of the proton? and also how long does it take the proton to travel in one circle?

Answers

bobpursley
Force=Bvq and Force=mv^2/r

set the two equations equal, and solve for r.

period=2PIr/velocity

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