In the previous problem, what is the direction of the force exerted on the proton by the Earth’s magnetic field?
At a particular location on the Equator, the Earth’s magnetic field is directly northward, and its magnitude is 3.2 × 10−5 T. If a proton is travelling straight upward toward the sky with a speed of 8.6 × 104 m/s, what is the magnitude of the force exerted on the proton by the Earth’s magnetic field?
Current awnswer choices
a) northward b) southward c) eastward d) westward
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