[填空题]
A diver (such as the one showni 3bb3.o/k br2*9;brh+ y; dfkyqbnnw5 zmbz 0 in Fig. 8–29) can re.y3q b; e0 wecwetkeg+1;f+d kduce her moment of inertia by a factor of about 3.5 when changing from the straight p;keqdgw3 1e.wet k;c0 yfb e++osition 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
