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Home Q & A Board Science-Related Homework Help Physics
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mikael mikael
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10 years ago

 
A spinning ice skater is able to control the rate at which she rotates by pulling in her arms.  We can best understand this effect by observing that in this process: 
A)
 
her angular momentum remains constant. 
B)
 
her moment of inertia remains constant. 
C)
 
her kinetic energy remains constant. 
D)
 
her total velocity remains constant. 
E)
 
she is subject to a constant non-zero torque. 
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padrepadre
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10 years ago
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mikael Author
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10 years ago
Thanks a lot, really helps.
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