[填空题]
Pilots can be tested for the stresses of f,.qjgk ,p+xn 7lnnmu-lying hurn :+5s23aszr3ig 8(ae wigtighspeed jets in a whirling “human centrifuge,” which takes 1.0r8 w5rieni3 g( auzgsa3+:2s t 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
