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?

asked by Jackie

13 years ago

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1 answer

conservation of momentum:

I1*W1=I2*w2

answered by bobpursley

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Question

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?

1 answer

conservation of momentum:

I1*W1=I2*w2

bobpursley · Answer

conservation of momentum: I1*W1=I2*w2