College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:**Physics Problem: Rotational Inertia and Period of a Figure Skater**
**Question 6:**
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 m². If she was rotating once every 0.884 seconds with her arms overhead, what is her new rotational period with her arms extended?
Choices:
(a) 2.33 s
(b) 2.06 s
(c) 0.493 s
(d) 0.379 s
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