[填空题]
A diver (such as the one shown in Fig. 8–29) can *un-yim 88fs cro,c(eh+c aeusln0 7)ab(y aj( 6vbh,eeduce her moment of inertia by a factor of about 3.5 when changing from the straight pohs cbeuj0ya(e ((en a)o+l,vb 7h6a,c sition 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
