[填空题]
A cooling fan is turned off when it is running ++al9;. wcc:cyh aks-qmq. qgat 85* yx lhp3-tw2w0rev/min It turns 1500 revolutions before it hwwypx32*tl - comes to 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
