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Home Q & A Board Science-Related Homework Help Physics
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Chery Chery
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7 years ago
An electron moving perpendicular to a uniform magnetic field of 3.2 × 10-2 T moves in a circle of radius 0.40 cm. How fast is this electron moving? (e = 1.60 × 10-19 C, melectron = 9.11 × 10-31kg)
A) 2.2 × 107 m/s
B) 1.9 × 107 m/s
C) 1.9 × 106 m/s
D) 3.0 × 107 m/s
E) 0.80 × 107 m/s
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
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slicealemonslicealemon
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7 years ago
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Chery Author
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#2
7 years ago
I needed this so much, thanks
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#3
4 years ago
Thank you
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