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23-01-2024
Physics

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A ball on a string makes 15.0 revolutions in 6.37 s, in a circle of radius 0.230 m. What is its centripetal acceleration?
a. 0.275 m/s^2
b. 0.415 m/s^2
c. 0.548 m/s^2
d. 0.673 m/s^2

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