[填空题]
A diver (such as the one shown in Fig. 8–29) can reduce h)jpll:fa21 pyh (obad:45 r pmer momentbxskh 8 td 3, ;)-fbqh(+mwypc of inertia by a factor of about 3.5 mxckwf3 h;q b t,8s-d+(p yb)hwhen changing from the straight position to the tuck position. If she makes 2.0 rotations in 1.5 s when in the tuck position, what is her angular speed ($rev/s$) when in the straight position? $rev/s$
Post time 2025-2-18 20:00:22
