A skater spins about a fixed point on the ice. She begins with her arms extended and an initial angular velocity wo . She then pulls her arms in to her body. After her arms are pulled to her body, she spins with an angular veloci final ,cof . Throughout the time she is spinning, no external forces are acting in the horizontal plane. How do the magnitudes of the initial and final angular velocities compare?

A skater spins about a fixed point on the ice. She begins with her arms extended and an initial angular velocity wo . She then pulls her arms in to her body. After her arms are pulled to her body, she spins with an angular veloci final ,cof . Throughout the time she is spinning, no external forces are acting in the horizontal plane. How do the magnitudes of the initial and final angular velocities compare?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter12: Rotation I: Kinematics And Dynamics

Section: Chapter Questions

Problem 60PQ

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