[填空题]
A cooling fan is turned 4z+ cckl-x 0ttoff when i9 lwjcpf1:bi6xoq s,kpct6.+ t is running at 850rev/min It turns 1500 revolutioncx:c. pp+ iow91kjbf6 ls,q6 ts before it 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
