[填空题]
Pilots can be tested for the 4*lvfa/.4 bc/jvqs y sstresses of flying highspeed jets in a whirl1pvryl7 u78*sxr zw zmix0:0w ing “humarz77 v ipl 0*mu:y0x81sw rwxzn centrifuge,” which takes 1.0 min to turn through 20 complete revolutions before reaching its final speed. (a) What was its angular acceleration (assumed constant), $rev/min^2$ (b) what was its final angular speed in rpm? $rpm$
Post time 2025-2-18 20:00:22
