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Physics8. Centripetal Forces & GravitationPeriod and Frequency in Uniform Circular Motion

Multiple Choice

A 3kg rock spins horizontally at the end of a 2m string at 90 RPM. Calculate its centripetal acceleration.

A

177 m/s²

B

118.4 m/s²

C

3160 m/s²

D

56.5 m/s²

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