[填空题]
The tires of a car make 8(cvf2f /j )y wri3*gde5 rv zs v;wv6k:hfhgi7 +(evolutions 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 acceleration of eac hk(v+7vhf z;ivw6g:sh 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
