A spinning figure skater has a moment of inertia of 1.00 kgm2 with her arms tucked close to her body and 1.25 kgm2 with her arms fully stretched. Her angular speed when her arms are tucked close to her body is 25 rad/s. What is her rotational kinetic energy with her arms fully stretched? O 250 J O 312.5 J O 275 J O 425 J

A spinning figure skater has a moment of inertia of 1.00 kgm2 with her arms tucked close to her body and 1.25 kgm2 with her arms fully stretched. Her angular speed when her arms are tucked close to her body is 25 rad/s. What is her rotational kinetic energy with her arms fully stretched? O 250 J O 312.5 J O 275 J O 425 J

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter13: Rotation Ii: A Conservation Approach

Section: Chapter Questions

Problem 30PQ

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