[填空题]
Pilots can be tested fora8vs1:o3i dss the sk4 c-c3g hy xo-r 4dl-8xwk1lrtresses of flying highspeed jets in a whirling “human centrifuge,” which takes 1.0 min to turn through 20 complete revolutions before reaching its final shok-g48c-lxw x 4yrr1-cdk3 lpeed. (a) What was its angular acceleration (assumed constant), $rev/min^2$ (b) what was its final angular speed in rpm? $rpm$