Hello, I need help finding the solution for this question with a explanation. Please and thank you. With her arms up over her head, a 55.0-kg figure skater has a rotational inertia of 0.649 kg m². As she bringsher arms extended outward, her rotational inertia changes to 1.515 kg m?. If she was rotating once every0.884 seconds with her arms overhead, what is her new rotational period with her arms extended?(а) 2.33 s(b) 2.06 s(c) 0.493 s(d) 0.379 s6.

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a rotationa of 0.04 o 1.515 kg m2. If she was ational period with her arr

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 74PQ

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Question

Hello, I need help finding the solution for this question with a explanation. Please and thank you.

With her arms up over her head, a 55.0-kg figure skater has a rotational inertia of 0.649 kg m². As she brings
her arms extended outward, her rotational inertia changes to 1.515 kg m?. If she was rotating once every
0.884 seconds with her arms overhead, what is her new rotational period with her arms extended?
(а) 2.33 s
(b) 2.06 s
(c) 0.493 s
(d) 0.379 s
6.

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