A person sits on a freely spinning lab stool that has no friction on its axis. When this person extends her arms, a) her moment of inertia increases and her angular speed decreases b) her moment of inertia decreases and her angular speed increases c) her moment of inertia increases and her angular speed increases d) her moment of inertia increases and her angular speed remains the same
A person sits on a freely spinning lab stool that has no friction on its axis. When this person extends her arms, a) her moment of inertia increases and her angular speed decreases b) her moment of inertia decreases and her angular speed increases c) her moment of inertia increases and her angular speed increases d) her moment of inertia increases and her angular speed remains the same
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
Section: Chapter Questions
Problem 56P: A student sits on a freely rotating stool holding two dumbbells, each of mass 3.00 kg (Fig. P10.56)....
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A person sits on a freely spinning lab stool that has no friction on its axis. When this person extends her arms,
a) her moment of inertia increases and her angular speed decreases
b) her moment of inertia decreases and her angular speed increases
c) her moment of inertia increases and her angular speed increases
d) her moment of inertia increases and her angular speed remains the same
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