[填空题]
The tires of a car make 85 revolutions as th(zfck1a :toz -usc,v u7 2-.b2 rcnggqfj(up 8e xt(*lun/vc,du, a bq 1kmfp.: car reduces its speed uniformly from 90km/h to 60km/h The tires have a diameter of .dlqn:u , vka1m*pb ftxc(,u/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
