[填空题]
The tires of a car make 85 revolutions as the +s3pgi w* jo;jcpuudemo-w;ah vz0fx/n *z98 c,.a, bfar reduces its speed uniformly from 90km/h tof ,cbz u;a8d9mh/,n x *z-pu wfv.a0eo 60km/h The tires have a diameter 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
