[填空题]
Pilots can be tested for the stressb+;gs cpi6jd c7)d8 ptes of flying highspeed jets io.ipof7 ac4y 4 t5ohp0; 8dipon a whirling “human centrifuge,cfp; op5ohi.d0yo84 a i7 pt4o” which 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
