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Starting from rest, a disk rotates about its central axis with constant angular acceleration. In 6.00 s, it rotates 19.2 rad. During that time, what are the magnitudes of (a) the angular acceleration and (b) the average angular velocity? (c) What is the instantaneous angular velocity of the disk at the end of the 6.00 s? (d) With the angular acceleration unchanged, through what additional angle (rad) will the disk turn during the next 6.00 s?

Starting from rest, a disk rotates about its central axis with constant angular acceleration. In 6.00 s, it rotates 19.2 rad. During that time, what are the magnitudes of (a) the angular acceleration and (b) the average angular velocity? (c) What is the instantaneous angular velocity of the disk at the end of the 6.00 s? (d) With the angular acceleration unchanged, through what additional angle (rad) will the disk turn during the next 6.00 s?

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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Starting from rest, a disk rotates about its central axis with constant angular acceleration. In 6.00 s, it rotates 19.2 rad. During that time, what are the magnitudes of (a) the angular acceleration and (b) the average angular velocity? (c) What is the instantaneous angular velocity of the disk at the end of the 6.00 s? (d) With the angular acceleration unchanged, through what additional angle (rad) will the disk turn during the next 6.00 s? (a) Number 1.07 Units rad/s^2 (b) Number 3.2 Units rad/s (c) Number 6.40 Units rad/s (d) Number i Units rad
Transcribed Image Text:Starting from rest, a disk rotates about its central axis with constant angular acceleration. In 6.00 s, it rotates 19.2 rad. During that time, what are the magnitudes of (a) the angular acceleration and (b) the average angular velocity? (c) What is the instantaneous angular velocity of the disk at the end of the 6.00 s? (d) With the angular acceleration unchanged, through what additional angle (rad) will the disk turn during the next 6.00 s? (a) Number 1.07 Units rad/s^2 (b) Number 3.2 Units rad/s (c) Number 6.40 Units rad/s (d) Number i Units rad
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