[填空题]
The tires of a car make 85 revolution::-e6a t vrnm jwy z4p*rwna3(s a:)m 7jfjm5w h *bvib5ps the car reduces its speed uniformly from 90km/h to 60km/h The tires have a diameter of 0.90 m. (a) What was the ani7 vfmw b5:bhjmp)*j 5gular 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
