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Home Q & A Board Science-Related Homework Help Physics
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Chery Chery
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7 years ago
An ice skater has a moment of inertia of 5.0 kg ∙ m2 when her arms are outstretched, and at this time she is spinning at 3.0 rev/s.  If she pulls in her arms and decreases her moment of inertia to 2.0 kg ∙ m2, how fast will she be spinning?
A) 2.0 rev/s
B) 3.3 rev/s
C) 7.5 rev/s
D) 10 rev/s
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College Physics

College Physics


Edition: 1st
Authors:
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noreyaganoreyaga
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7 years ago
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Chery Author
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#2
7 years ago
You're right again!

Appreciate it
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