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AP EAPCET 19-Aug-2021 Shift 2 Paper

Section: Physics

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Question : 91

Total: 160

A girl of mass M stands on the rim of a friction less merry-go-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 speedof the rock, relative to the ground is v. Afterwards, the linear speed of the girl is _______

mvR2
I+MR2
(m+M)vR2
I+MR2
mvR2
I+(M+m)R2
mvR2
I+(M−m)R2

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