[填空题]
A diver (such as the one shown in Fig. 8–29) can reduce; 8rnz7lmmp u9 her 1o:0 coc)jrju. y uw89e3lhnq7wwlt: moment of inertia by a factor of about 3.5 when changinge)cj 1rw9luqho 8 :: w yjw.uln37otc0 from the straight position 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? $rev/s$