[填空题]
The tires of a car make 65 revolutions as the :y)r y9 rsy+5ls:hkv dcar reduces its s0b/0: fn1yejo,e vrgmpeed uniformly from 95km/h to 45km/h The tires have a diameeo0 rbjv:e1nfm yg/, 0ter of 0.80 m. (a) What was the angular acceleration of the tires? $\approx$ $rad/s^2$ (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
