[填空题]
Pilots can be tested for the stress 6ow+ffo,j1y6 r2 -iqbyealq5es of fly t 3,qbj 2y)j0nfhi4cuing highspeed jets in a whirling “human centrifuge,” whic0b2 hjnqtujcf 4i,)3yh takes 1.0 min to turn through 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? $rpm$
Post time 2025-2-18 20:00:22
