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PLEASE SHOW ALL WORK! A cosmic ray proton moving towards the Earth at 2.50 × 10^7...

PLEASE SHOW ALL WORK!

A cosmic ray proton moving towards the Earth at 2.50 × 10^7 m/s experiences a
magnetic force of 1.65 × 10^-16 N.

a) What is the strength of the magnetic field that it passes through if it moves perpendiuclar to the direction of the field?

b) What is the strength of the field if the proton enters the field at a 45.0◦ angle
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