A rigid CD of radius 5 cm starts at rest. After 50 complete revolutions, the linear speed of the edge of the disk is 40 m/s. What is the magnitude of the angular acceleration? rad 32000 s2 Need to know the duration of time rad 2.5 s2 rad 1020 s2 rad 6400 s2

A rigid CD of radius 5 cm starts at rest. After 50 complete revolutions, the linear speed of the edge of the disk is 40 m/s. What is the magnitude of the angular acceleration? rad 32000 s2 Need to know the duration of time rad 2.5 s2 rad 1020 s2 rad 6400 s2

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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Question

A rigid CD of radius 5 cm starts at rest. After 50 complete revolutions, the linear speed of the edge of the disk
is 40 m/s. What is the magnitude of the angular acceleration?
rad
32000
s2
Need to know the duration of time
rad
2.5
s2
rad
1020
s2
rad
6400
s2

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