[填空题]
The tires of a car make 85 revolutions a/+y w4itzo1hrlk8ei ( 1mr-b8ueu ei2; jyy.vs the car reduces its speed uniformly from 90km/h to 60km/h The tires have a diameter of 0.90 m. (a) What was the angular accelerati.yuyremu ie2b81 ;-vjon of each tire? $\approx$ $rad/s^2$(round to two decimal place) (b) If the car continues to decelerate at this rate, how much more time is required for it to stop? s
Post time 2025-2-18 20:00:22
