[填空题]
A diver (such as the one s+rwlp ie83s -lhown in Fig. 8–29) can reduce her momentrj t:i bh(fa21 of inertia by a factor of about 3.5 when changing from the straight position to the tuck position. If she makes 2a:1r( 2ftbi jh.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
