[填空题]
A 4.2-m-diameter merl,4-0 sxkigma07i gmk e:rf:ery-go-round is rotating freely with an angular gso3uc2 3jy ;-qxfxck /rb*a0 5kelh t/3inr*velocity of 0./ u o-0g /n ;2*3ichqlsakx*f3berj xytc5k3r8 $rad/s$ 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
