An engine fan initially rotates at 450 rpm and is turned off for 20.0 seconds, during which time it rotates at 100 revolutions. a) How fast is the steering wheel turning when it turns again? b) In how much time after the first lapse would it have stopped completely?

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.