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HACTEHA [7]
4 years ago
4

A ballet dancer spins with 2.4 rev/s with her arms outstretched,when the moment of inertia about axis of rotation is 1 .With her

arms folded,the moment of inertia about the same axis becomes 0.61 . calculate the new rate of spin.
Physics
1 answer:
Scrat [10]4 years ago
8 0
The majestic ballerina spins faster when her MOI is smallest, which is when she folds up her arms. guessing at proportion, 1 MOI = 2.4 revs, 0.61 MOI = 2.4/0.61 revs which should be faster. It's a bit of a guess though, whilst I imagine "Swan Lake".
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