[填空题]
A diver (such as the one shownq srs 64r9/qon in Fig. 8–29) can reduceo;lcokhl -ln2: hpe+-d(a(,uhsae0p her moment of inertia by a factor of about 3.5 when changing from the straight position to the tuck po:a e;ldpuhpah clken+(,0o 2( hs-l-osition. 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
