Angular Velocity of a Compact Disc

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A laser reads information from a compact disc at a constant linear speed of 1.2 m/s from cm in a spiral to the edge of the disc at
cm. The angular speed decreases with increasing
as shown at the top of the figure.
Contributed by: Enrique Zeleny (March 2011)
Open content licensed under CC BY-NC-SA
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For more specifications, see the Wikipedia entry for Compact Disc.
Permanent Citation
"Angular Velocity of a Compact Disc"
http://demonstrations.wolfram.com/AngularVelocityOfACompactDisc/
Wolfram Demonstrations Project
Published: March 7 2011