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If a spinning skater pulls her arms in so as to reduce her rotational inertia by half, by how much will her rate of spin increase
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45 votes
45 votes
If a spinning skater pulls her arms in so as to reduce her rotational inertia by half, by how much will her rate of spin increase

User Christopher Perry
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1 Answer

18 votes
18 votes
Her rotational velocity (“rate of spin”) would double since inertia and rotational velocity are inverse variables.
User Combinatorial
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