Calculate the angular momentum of an ice skater spinning at 6.00 rev/s given his moment of inertia is 0.400 kg·m².

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mdasfaaruddinshareefLv10

1 Aug 2023

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Sagar YadavLv10

5 Apr 2021

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An ice skater spins at 2.5 rev/s when his arms are extended.He draws his arms in and spins at 6.0 rev/s. By what factor doeshis moment of inertia change in the process?

A) 2.4
B) 1.0
C) 0.42
D) 0.12
E) 0.10

pinkhorse0

An ice skater has a moment of inertia of 5.0 when her arms are outstretched. At this time she is spinning at 3 rps. If she pulls in her arms and decreases her moment of inertia to , how fast will she be spinning?

A) 7.5 rps B) 8.4 rps C) 2.0 rps D) 10 rps E) 3.3 rps

plumsquirrel261

An ice skater is spinning about a vertical axis with arms fully extended. If the arms are pulled in closer to the body, in which of the following ways are the angular momentum and kinetic energy of the skater affected?