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A cyclist rounds a bend of radius 5 m at 10 m/s. What is the centripetal acceleration?
A2 m/s^2
B10 m/s^2
C50 m/s^2
D20 m/s^2
Answer & Solution
Correct answer: D. 20 m/s^2
Centripetal acceleration is v^2/R = 100/5 = 20 m/s^2.
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