[填空题]
The tires of a car make 85+1,vn7,gyoi z-lah nb revolutions as the car reduces its s)r* n u 6xj )b7ef6iazqv.t9uxpeed uniformly from 90km/h to 60km/h The tires have a diameter of 0.90 m. (a) Whattx9f6)b6)u qj i*7x v.uzea nr 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
