[填空题]
The tires of a car make 85h ohb exd5cuctp2(*4 / ry6ne31r sd i5:v;jhpcevolutions as 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 angular accelerat:;j nehyi1pdr c6s 35vion 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
