A Figure Skater Rotating at 5

question 43

Multiple Choice

A figure skater rotating at 5.00 rad/s with arms extended has a moment of inertia of .If the arms are pulled in so the moment of inertia decreases to ,what is the final angular speed?

• A) 2.25 rad/s
• B) 4.60 rad/s
• C) 6.25 rad/s
• D) 1.76 rad/s
• E) 0.810 rad/s

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