[填空题]
The tires of a car make 85 revolutions ase.+aqnts, xoc-ui5 1f the chu5rg wf-la6wp1 f67o ar reduces its speed uniformly from 90km/h to 60km/h The tires have a diameter of 0.90 m. (a) What was t-5 lf rfu617g ahwo6pwhe 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
