[填空题]
Pilots can be tested for 2kwe(yp(t7dql-aj*aau9/v,i mn- p s the stresses o)f ut1 6z m/qhsff.t7zf flying highspeed jets in a whirling “human centrifuge,” which takes 1.0 min to turn throuuh /ft)7sztm1q6.ff zgh 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
