8. SITUATIONAL QUESTIONAt t = 0, a grinding wheel has an angular velocity of 25 rad/s. Ithas a constant angular acceleration of 32 rad/s2 until a circuit breakertrips at t = 2.5 seconds. From then on, it turns through 423 rad as itcoasts to a stop at constant angular acceleration.24. The tires of a car make 80 revolutions as the car reduces its speedfrom 90kph to 60kph. the tires have a diameter of 0.8m. If the carcontinues to decelerate at this rate, how much more time is required.for it to stop?a. 28.95 sb. 12.44 sc. 19.30 sd. 21.49 s

Concept: Question 24: Given: No. of Revolution=80Diameter=0.8 mRadius=0.82Radius=0.4 mInitial speed…

Answered: 24. The tires of a car make 80…

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24. The tires of a car make 80 revolutions as the car reduces its speed from 90kph to 60kph. the tires have a diameter of 0.8m. If the car continues to decelerate at this rate, how much more time is required for it to stop? a. 28.95 s b. 12.44 s c. 19.30 s d. 21.49 s