[填空题]
A cooling fan is turc2:4-gpbkwyj ma14h ea hiv5t:6x8i9n jjn;oned off when it is running at 850rev/min It turns 1500 revolutions before it comes to a stopm:4ajvtie1 9jahon 8ixhn5;6 . (a) What was the fan’s angular acceleration, assumed constant? $\frac{rad}{s^2}$ (b) How long did it take the fan to come to a complete stop? s
Post time 2025-2-18 20:00:22
