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A cosmic ray proton moves at an initial velocity of 0.8 the speed of light from...

A cosmic ray proton moves at an initial velocity of 0.8 the speed of light from directly overhead earth towards the equator, entering the earth's magnetic field at a distance of 500 km. Assuming the earth's magnetic field is parallel to the earth's surface, calculate if the proton will hit the earth's surface. Use Rearth = 6.37 x 103 km. Draw a diagram to illustrate the calculations.

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