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A carousel has a radius of 1.65 m and a moment of inertia of 118 kg · m2. A girl of mass 49.0 kg is standing at the edge of the carousel, which is rotating with an angular speed of 3.40 rad/s. Now the girl walks toward the center of the carousel and stops at a certain distance from the center d. The angular speed of the carousel is now 5.4 rad/s. How far from the center, in meters, did the girl stop? 13.4

A carousel has a radius of 1.65 m and a moment of inertia of 118 kg · m2. A girl of mass 49.0 kg is standing at the edge of the carousel, which is rotating with an angular speed of 3.40 rad/s. Now the girl walks toward the center of the carousel and stops at a certain distance from the center d. The angular speed of the carousel is now 5.4 rad/s. How far from the center, in meters, did the girl stop? 13.4

College Physics
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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A carousel has a radius of 1.65 m and a moment of inertia of 118 kg m2. A girl of mass 49.0 kg is standing at the edge of the carousel, which is rotating with an angular speed of 3.40 rad/s. Now the girl walks toward the center of the carousel and stops at a certain distance from the center d. The angular speed of the carousel is now 5.4 rad/s. How far from the center, in meters, did the girl stop? 13.4 Both the girl and the carousel will contribute to the moment of inertia of the rotating system. In the absence of any external torque, how is the angular momentum of a system affected? m
Transcribed Image Text:A carousel has a radius of 1.65 m and a moment of inertia of 118 kg m2. A girl of mass 49.0 kg is standing at the edge of the carousel, which is rotating with an angular speed of 3.40 rad/s. Now the girl walks toward the center of the carousel and stops at a certain distance from the center d. The angular speed of the carousel is now 5.4 rad/s. How far from the center, in meters, did the girl stop? 13.4 Both the girl and the carousel will contribute to the moment of inertia of the rotating system. In the absence of any external torque, how is the angular momentum of a system affected? m
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