A compact disc is rotating on a CD player turntable at a frequency 3.98 revolutions per second. The outer radius of the compact disc is r = 6.0 centimeters (0.060 m). What is the speed of a point on the outer edge of the compact disc?

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 11P: A disk 8.00 cm in radius rotates at a constant rate of 1200 rev/min about its central axis....
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A compact disc is rotating on a CD player turntable at a frequency 3.98 revolutions per second. The outer radius of the compact disc is r = 6.0 centimeters (0.060 m). What is the speed of a point on the outer edge of the compact disc? 

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