Consider again the record in Problem 3. If it plays music for 20 min, how far does a point on the edge travel in meters?
(reference problem 3)
An old-fashioned (vinyl) record rotates at a constant rate of 33 rpm. (a) What is its angular speed in rad/s? (b) If the record has a radius of 18 cm, what is the linear speed of a point on its edge?
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