Asked by Jackie
A figure skater is spinning with an initial angular speed of 6.9rad/s. She then pulls her arms in, reducing her moment of inertia to 0.38 times its original value. What is her angular speed after pulling in her arms?
Answers
Answered by
bobpursley
conservation of momentum:
I1*W1=I2*w2
I1*W1=I2*w2
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