[填空题]
The tires of a car make tm+s 43wjyd 2p7e3tk/vd hnq;85 s-vg+t p9c7kpxmy*nwxvm ;*)p3:c sf revolutions 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 accel)ms3gv;wy*pv s: cx+x cmk9tp-pnf*7eration 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
