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A person of mass 80 stands at the center of a rotating merry-go-round platform of radius 3.5 and moment of inertia 920 . The platform rotates without friction with angular velocity 0.90 . The person walks radially to the edge of the platform. find out the angular velocity when the person reaches the edge.find out the rotational kinetic energy of the system of platform plus person before the person's walk. find out the rotational kinetic energy of the system of platform plus person after the person's walk.

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  • Category:- Physics
  • Reference No.:- M9129626

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