[填空题]
Pilots can be tested for the std lxzw -.-or+fs,lin 0resses of flying highspeed j (fwmf e.0fsx (ao8o4vets in a whirling “human centrifuge,” which takes 1.0 min to turn through (a08ff o4em xofw(. sv20 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? $rpm$