varying angular speed Unlike a phonograph record that has a con- stant angular speed, a CD scans information at a consta
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varying angular speed Unlike a phonograph record that has a con- stant angular speed, a CD scans information at a consta
varying angular speed Unlike a phonograph record that has a con- stant angular speed, a CD scans information at a constant linear speed (130 cm/s). Does the CD rotate at a constant or varying angular speed? 2. constant angular speed
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