[填空题]
Pilots can be tested for the stresses of fl;m:*4x xwoijuxv x-6 xying hi+28eyri s6fs) * end-ki;5r vopywt i9ghspeed jets in a whirling “human ce2r5 sn9w*8 6+iy pis ode;i ktfe-)vyrntrifuge,” 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
