[填空题]
Pilots can be tested for the st/avu41)swa c ere6kao15:bsmfwc; 2mau sses of flying highspeed jets in a whirling “human centrifuge,” which takes 1.0 min to turn thu;b6a wk2mf5 c:aos1mrough 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? $rpm$