[填空题]
The tires of a car mak5mh qopo lgaar n6.(sc8w0*d2e nm0emd.. 5uryfz8 r-a 85 revolutions as the car reduces its speed uniformly from 90km/h to 60km/h The tires have a diarz0 n u.da.8mmf-eyr 5meter 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
