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Opening/Closing Arms on Rotating Stool

16. Angular Momentum / Opening/Closing Arms on Rotating Stool / 문제 3

문제 3

If a wheel is rotating at 300 RPM, what is its angular velocity in radians per second?

A

30 rad/s

B

31.42 rad/s

C

5 rad/s

D

20 rad/s