Question: 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?

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?


Data from Problems 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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