[填空题]
A diver (such as the one shown in Fig. 8–29) can reduce her momrxn 3l-vpaa;)hdd( ,t h6:yl nent of inertini( t/xr e y8n;dqn/m7a by a factor of about 3.5 when changing from the straight position to the tuck position. If she makes 2.0 rotations in 1.5 s when in the tuck p ye dnqmx/(/;87rtnni osition, what is her angular speed ($rev/s$) when in the straight position? $rev/s$
Post time 2025-2-18 20:00:22
