[填空题]
The tires of a car make 85 revolutionsl:l .tdw)c5)j) h ttd ;iuw),xcw0akn as the car reduces its speed uniforms(2x1u;v jgnv2ghme2ly from 90km/h to 60km/h The tires have a dia21;xve m2(snug gjhv2meter of 0.90 m. (a) What was the 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
