[填空题]
The tires of a car mauzib(fma t p9;nt l)e 16f 65df0qglk)ke 85 revolutions as the car rz*f u,el qkidn/p,)k/educes its speed uniformly from 90km/h to 60km/h The tires have a diameter of 0.90 m. (a) What was the angular accelerq/enil ,* k fk/zd)pu,ation 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
