[填空题]
The tires of a car ma)o ej7qpq5an l3x:u, yke 85 revolutv):p 7s,6g.z cgq()ken2vz f 6 irlacjions as the car reduces its speed uniformly from 90km/h to 60km/h The tires have a dia6i6 s) ca p: kqv(lzfrcv7j)e, 2g.zngmeter 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
