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001 10.0 points A car accelerates uniformly from rest and reaches a speed of 21 m/s in 11.5 s. The diameter of a tire is 73 cm Find the number of revolutions the tire makes during this motion, assuming no slip- ping. nswer in units of rev

006 10.0 points The speed of a moving bullet can be deter- mined by allowing the bullet to pass through two rotating paper disks mounted a distance 75 cm apart on the same axle. From the angular displacement 39° of the two bullet holes in the disks and the rotational speed 1093 rev/min of the disks, we can determine the speed of the bullet.

39° 1093 rev/mir What is the speed of the bullet? Answer in units of m/s

009 10.0 points he driver of a car traveling at 42.6 m/s ap- plies the brakes and undergoes a constant deceleration of 2.74 m/s How many revolutions does each tire make before the car comes to a stop, assuming that the car does not skid and that the tires have radii of 0.33 m? Answer in units of rev. 31

please i need help i tried to solve these but they came out wrong

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