[填空题]
Pilots can be tested for the stresses;wxqcwl 8kloq cj:3j5+ ( c)pd of flying highspeed jets7-6 nt i,njrhxtw rg-6 in a whirling “human centrifuge,” which take-,t7xt 6 rwnh-6rin jgs 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
