[填空题]
Pilots can be tested for the stresses of o6a 2/2 ftmt hyij;uiph222yvflying highsu*lx ygpye bl3l: x 5pojl;;/-peed jets in a whirling “human centrifuge,” which takes 1.0 min to turn through 2o g-b lup;3xlp;xy*ll5:y /e j0 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? $rpm$