Multiple Choice
A 60.0-kg skater begins a spin with an angular speed of 6.0 rad/s. By changing the position of her arms, the skater decreases her moment of inertia to one-half its initial value. What is the skater's final angular speed?
A) 3.0 rad/s
B) 4.5 rad/s
C) 9.0 rad/s
D) 12 rad/s
E) 18 rad/s
Correct Answer:

Verified
Correct Answer:
Verified
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