A girl of mass M stands on the rim of a frictionless
Chapter , Problem 85(choose chapter or problem)
A girl of mass M stands on the rim of a frictionless merrygo-round of radius R and rotational inertia I that is not moving. She throws a rock of mass m horizontally in a direction that is tangent to the outer edge of the merry-go-round.The speed of the rock, relative to the ground, is v. Afterward, what are (a) the angular speed of the merry-go-round and (b) the linear speed of the girl?
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