Multiple Choice
An electron moving perpendicular to a magnetic field of 3.2 × 10-2 T moves in a circle of radius 0.40 cm. How fast is this electron moving?
A) 2.3 × 107 m/s
B) 1.9 × 10-53 m/s
C) 1.9 × 10-30 m/s
D) 3.0 × 109 m/s
E) 0.80 × 107 m/s
Correct Answer:
Verified
Correct Answer:
Verified
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