[填空题]
A diver (such as the one shown in Fig. 8–29) can reduce hercs hizg3:9e.3)zhdw b obwrhgl9 q)/( moment of inertia b4bs qq 2s8v(iwgyy.v tw/ d-; tpnj)1xy a factor of about 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, wh n tivdq2.8/ yts -vw1gsywp() ;4bjxqat is her angular speed ($rev/s$) when in the straight position? $rev/s$