[填空题]
The tires of a car make 85 revolutions as the j qd nt0ze*:2ipt(u 5scar reducedxogze.:+ kk5l h2i 6b8ie2 n/oeqc7ls its speed uniformly from 90km/h to 60km/h The tires have a diameter of 0.90 m. (a) What was:e+li 5 6nbeeklk x2qi/8chog d.7zo2 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
