[填空题]
A diver (such as the one shown in Fig. 8–29ck8/ 4yuzp+o tqrn7/ j) can reduce her moment 49f5ac thuz x9:i3yvjof inertia by a factor of about 3.5 when changing from the straight posit9vfz ytjcu:935 ia xh4ion 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
