With the aid of a string, a gyroscope is accelerated from rest to 40 rad/s in 0.3 s. (a) What is its angular acceleration in rad/s2 ?  (b) How many revolutions does it go through in the process?

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With the aid of a string, a gyroscope is accelerated from rest to 40 rad/s in 0.3 s. (a) What is its angular acceleration in rad/s2 ?  (b) How many revolutions does it go through in the process? 

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