Physics
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An ice skater has a moment of inertia of 5.0 kg · m2when her arms are outstretched,
An ice skater has a moment of inertia of 5.0 kg · m2when her arms are outstretched, and at this time she is spinning at 3.0 rev/s. if she pulls in her arms and decreases her moment of inertia to 2.0 kg · m2, how fast will she be spinning?
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erickamiles1797
5,0(80 marks)
Explanation:
Given
Initial Moment of Inertia 
initial Spin 
Final Moment Moment of Inertia 
Conserving Angular momentum
bri9263
4,6(40 marks)
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