[填空题]
The tires of a car make 85 )tap v-x7icnq6 gm(p9sbim q/xj9/ . ezcd,2prevolutions as the car reduces its speed uniformly from 90km/h to 60km/h The tires have a diameter p2izcmb/.q,jd /xs 9eof 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
