[填空题]
A diver (such as the one shown ing4 4zfa62 jzs/ct. awr Fig. 8–29ct x1)pq.v/mz ) can reduce her moment of inertia by a factor of about 3.5 when changing from the straight position t/.p )cqv m1tzxo 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
