Question

An ice skater spins at 3.5 rev/s with his arms are extended. He draws his arms in and spins at 8.3 rev/s. By what factor does his moment of inertia change in the process? Ο 2.4 Ο 0.58 Ο 0.12 Ο 0.24 Ο 0.42

Name: an ice skater spins at 35 revs with his arms are extended he draws his arms in and spins at 83 revs by what factor does his moment of inertia change in the process 24 058 012 024 042 99047
Uploaded: 2022-10-06T12:50:57-08:00
Duration: 1 min 41 s
Channel: Ivan Kochetkov
Description: an ice skater spins at 35 revs with his arms are extended he draws his arms in and spins at 83 revs by what factor does his moment of inertia change in the process 24 058 012 024 042 99047

          An ice skater spins at 3.5 rev/s with his arms are extended. He draws his arms in and spins at 8.3 rev/s. By what factor does his
moment of inertia change in the process?
Ο 2.4
Ο 0.58
Ο 0.12
Ο 0.24
Ο 0.42

an ice skater spins at 35 revs with his arms are extended he draws his arms in and spins at 83 revs by what factor does his moment of inertia change in the process 24 058 012 024 042 99047

Added by Jesse M.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Ivan Kochetkov

10/06/2022

Step 1

The angular momentum $L$ is given by $L = I\omega$, where $I$ is the moment of inertia and $\omega$ is the angular velocity. Since angular momentum is conserved, we have $I_1\omega_1 = I_2\omega_2$, where $I_1$ and $\omega_1$ are the initial moment of inertia and Show more…

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An ice skater spins at 3.5 rev/s with his arms are extended. He draws his arms in and spins at 8.3 rev/s. By what factor does his moment of inertia change in the process? Ο 2.4 Ο 0.58 Ο 0.12 Ο 0.24 Ο 0.42