[填空题]
A diver (such as the one shown in Fig. 8–29jr2c -- rq ar//rn3had) can redu5;+mx2i :uk*tn iq ob2bwar5bce her moment of inertia by a factor of about 3.5 when changing from the straight posit55kmi w2 b*:2xnratb +uiqb;oion 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
