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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Concept explainers
Angular speed, acceleration and displacement
Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.
Angular Position
Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.
Question
hw 28 question 1 part b
Transcribed Image Text:The problem describes a compact disc (CD), which has a mass of 12 grams and a radius of 6.0 centimeters. This CD is rotating with an angular speed of 36 radians per second.
This scenario can be used to explore concepts in rotational dynamics, such as calculating the moment of inertia, analyzing rotational kinetic energy, and understanding angular momentum.
![**Part B**
If its kinetic energy is to be quadrupled, should its angular speed be doubled, quadrupled, or increased by a factor of 16?
- ( ) The angular speed of the CD should be doubled.
- ( ) The angular speed of the CD should be quadrupled.
- ( ) The angular speed of the CD should be increased by a factor of 16.
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Transcribed Image Text:**Part B**
If its kinetic energy is to be quadrupled, should its angular speed be doubled, quadrupled, or increased by a factor of 16?
- ( ) The angular speed of the CD should be doubled.
- ( ) The angular speed of the CD should be quadrupled.
- ( ) The angular speed of the CD should be increased by a factor of 16.
[Submit] [Request Answer]
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