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a turn table was revolving at 33.33 rpm. It was shut off and uniformly slowed down...

a turn table was revolving at 33.33 rpm. It was shut off and uniformly slowed down and stopped in 5.5 seconds. A. what is her angular speed in rad/s b. Throughout how many revolutions did it turn.

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Answer #1

A. Let the angular acceleration is .

Initial angular velocity   .

Final angular velocity =0 rad/s.

  

  

B. Let it turned n revolution.

  

  Throughout it turned 91.6575 revolutions.

  

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