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A vinyl record is designed to play music by rotating against a needle at 33 rotations per minute (rpm). The record's mass is .16 kg

 A vinyl record is designed to play music by rotating against a needle at 33 rotations per minute (rpm). The record's mass is .16 kg and it has a radius of .14 meters. If the record starts from rest and takes 10 seconds to reach full speed, what is its angular acceleration?

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