Multiple Choice
A proton moves around a circular path (radius = 2.0 mm) in a uniform 0.25-T magnetic field. What total distance does this proton travel during a 1.0-s time interval? (m = 1.67 × 10−27 kg, q = 1.6 × 10−19 C)
A) 82 km
B) 59 km
C) 71 km
D) 48 km
E) 7.5 km
Correct Answer:

Verified
Correct Answer:
Verified
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