[填空题]
The tires of a car make 85 -k ;n2ol d sj6i;vmz ;e6ja1i.kyrfqk. xe78e/fl2 nos4eozdm5zc ,1revolutions as the car reduces its speed uniformly from 90km/h to 60km/h The tires have a diameter of 0.90 m.zd2smnf15,o o e/ lz4c (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
