How long after it is turned off does it take the fan to stop

Reference no: EM13336594

When a 3.15-kg fan, having blades 16.5 cm long, is turned off, its angular speed decreases uniformly from 12.0 rad/s to 4.30 rad/s in 6.00 s. What is the magnitude of the angular acceleration of the fan? Through what angle (in degrees) does it turn while it is slowing down during the 5.00 s?If its angular acceleration does not change, how long after it is turned off does it take the fan to stop?

Reference no: EM13336594

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