A cosmic ray proton moving toward the Earth at 3.80 ✕ 107 m/s experiences a magnetic force of 1.45 ✕ 10−16 N. What is the strength of the magnetic field (in T) if there is a 45° angle between it and the proton's velocity?

Explanation:

The magnetic force is given by the formula

, is the proton charge

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explanation:

and 1and 1