[填空题]
A cooling fan is turntwikzhtb1*lk :z-644 2u g iitrpx 2c.ed off when it is running at 850r+yg3rw3p,0(uz8 cu icw7yt 6 oa v0cgq)egk:fev/min It turns 1500 revolu0yw+3c( i0rc,pg gf6g:ukecav7 uzw o3q t)y8tions 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
