[填空题]
The tires of a car make 85 revolutions as the car rb ikz0 ()f;yqbeduces its speed unidc *. o: abxs5 /;v47mqhtcicdformly from 90km/h to 60km/h The tires have a dibct oxc4*.5:7cq;m ds/ihvad ameter of 0.90 m. (a) What was the angular acceleration 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
