[填空题]
A 4.2-m-diameter merruu -9yhxnxcd9 ejl:c k6.jp, 5y- --j ya6i6wu +paxv(xwgo-round is rotating freely with an angular velocity of 0a( wjiwva6 6-u-+ pyxx.8 $rad/s$ Its total moment of inertia is 1760 $kg \cdot m^2$ Four people standing on the ground, each of mass 65 kg, suddenly step onto the edge of the merry-go-round. What is the angular velocity of the merry-go-round now? $rad/s$ What if the people were on it initially and then jumped off in a radial direction (relative to the merry-go-round)? $rad/s$
Post time 2025-2-18 20:00:22
