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killian killian
wrote...
Silver Member
Posts: 6024
9 years ago
When a spinning ice skater pulls in his arms, he spins faster because ________.
A) his angular momentum must be conserved, so reducing his radius must increase his speed of rotation
B) there is less friction with the air
C) there is less friction with the ice
D) there exists an unbalanced reaction force
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Smiling Face with Open Mouth
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Answer accepted by topic starter
bio_manbio_man
wrote...
Educator
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Posts: 33241
9 years ago
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killian Author
wrote...
Silver Member
9 years ago
Thank you bio_man
Smiling Face with Open Mouth
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