The drive motor of a particular CD player is controlled to rotate at a speed of 190rpm when reading a track 5.7 cenitmeters from the center of the CD.  The speed of the drive motor must vary so that the reading of the data occurs at a consant rate.  a.) Find the angular speed in radians per minute of the drive motor when it is reading a track 5.7 centimeters from the center of the CD.  ANSWER = 380(pi) per minute- no help needed b.) Find the linear speed.  ANSWER 113.4 cm/sec- no help needed *****C.) Find the angualr speed (rpm) of the drive motor when it is reading a track 3 cm from the center of the CD.   NEED HELP ON THIS ONE  program says answer is 361rpm

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter16: Oscillations
Section: Chapter Questions
Problem 15PQ: A point on the edge of a childs pinwheel is in uniform circular motion as the wheel spins...
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The drive motor of a particular CD player is controlled to rotate at a speed of 190rpm when reading a track 5.7 cenitmeters from the center of the CD.  The speed of the drive motor must vary so that the reading of the data occurs at a consant rate. 

a.) Find the angular speed in radians per minute of the drive motor when it is reading a track 5.7 centimeters from the center of the CD.  ANSWER = 380(pi) per minute- no help needed

b.) Find the linear speed.  ANSWER 113.4 cm/sec- no help needed

*****C.) Find the angualr speed (rpm) of the drive motor when it is reading a track 3 cm from the center of the CD.   NEED HELP ON THIS ONE  program says answer is 361rpm

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