OpenStax, Precalculus 2e §5.1 Angles · Exercise 63 · Algebra · Functions
Angles · Exercise 63
When being burned in a writable CD-R drive, the angular speed of a CD varies to keep the linear speed constant where the disc is being written. When writing along the outer edge of the disc, the angular speed of one drive is about 4,800 RPM (revolutions per minute. Find the linear speed if the CD has diameter of 120millimeters.
OpenStax, Precalculus 2e · §5.1 Angles · Exercise 63
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