An ice skater spins with her arms extended. When she pulls in her arms, her moment of inertia decreases and her rate of spin (angular velocity w) increases. From the information provided below, find her final angular velocity. (Assume her total angular momentum is conserved.) Initial Final I = 4.38.kg-m? I = 0.47_kg-m? wi = 0.63_rev/s Wp = 5.65 rev/s 6.59 rev/s С. А. D. 5.871 rev/s 6.129 rev/s 6.895 rev/s В. Е. 6.403_rev/s F.

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Chapter1: Units, Trigonometry. And Vectors
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An ice skater spins with her arms extended. When she pulls in her arms, her moment of inertia decreases
and her rate of spin (angular velocity w) increases. From the information provided below, find her final
angular velocity. (Assume her total angular momentum is conserved.)
Initial
Final
I = 4.38 kg-m?
Wi = 0.63_rev/s
Iy = 0.47_kg-m?
Wp =
5.65 rev/s
6.59_rev/s
6.403_rev/s
5.871 rev/s
6.129 rev/s
F.
А.
D.
В.
Е.
C.
6.895_rev/s
Transcribed Image Text:An ice skater spins with her arms extended. When she pulls in her arms, her moment of inertia decreases and her rate of spin (angular velocity w) increases. From the information provided below, find her final angular velocity. (Assume her total angular momentum is conserved.) Initial Final I = 4.38 kg-m? Wi = 0.63_rev/s Iy = 0.47_kg-m? Wp = 5.65 rev/s 6.59_rev/s 6.403_rev/s 5.871 rev/s 6.129 rev/s F. А. D. В. Е. C. 6.895_rev/s
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