[填空题]
A diver (such as the one syly) 7r+2xgkphown in Fig. 8–29) c(ktboi5p edn9)s , 2btan reduce her moment of inertia by a factor of aboutpb9d)s(iont2b5te,k 3.5 when changing 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? $rev/s$
