[填空题]
The tires of a car maki.m: l y7bkd6p o,zyx :gf.bsc/u1f(me 85 revolutio:uk 02ps 0ku1 z)zbeqzt uow;y ,,m;cjns 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 umu k bp zjs2yze)c;zt1;u0,,qo:k0w 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
