Find how long does it take to stop after power is turned off

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When the power is turned off on a turntable spinning at 82.0 rpm, you find that it takes 10.8 revolutions for it to stop while slowing down at a uniform rate. What is the angular acceleration (in rad/s^2), of this turntable? How long does it take to stop after the power is turned off?

Reference no: EM13544840

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