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

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter10: Rotational Motion
Section10.10: Analysis Model: Isolated System (angular Momentum)
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A spinning figure skater has a moment of inertia of 1.00 kgm- with her arms tucked close to her body and 1.25 kgm 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
Transcribed Image Text:A spinning figure skater has a moment of inertia of 1.00 kgm- with her arms tucked close to her body and 1.25 kgm 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
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