[填空题]
The tires of a car make 85 revolutions as the car sfft;ylx(u/i0c ,q)c reduces z6l0e2l+t slwits speed uniformly from 90km/h to 60k 6e+0t2zlsw llm/h The tires have a diameter 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
