[填空题]
Pilots can be tested for the stresses of flying highspee4i5kkzj-6nyx4 1pj ypd jets in a whirl.. 8e,fdutmppv,/hj z :;sknqing “human centrifuge,” which takes 1.0 min to turn through 20 complete revolutions before reaching its final spe ,./p h jqz8vud :s,.mktf;pneed. (a) What was its angular acceleration (assumed constant), $rev/min^2$ (b) what was its final angular speed in rpm? $rpm$