[填空题]
A cooling fan is turned ofiz1a nwqx o5..(th kf0p rsq522 y;wqef when it is rjb6 torf) ;yzw shp;g-h,pg.9unning at 850rev/min It turns 1500 revolutions before it comes to-6,;9ph wjz;gs.ghfo)t bp r y a stop. (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
