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JEE Main 20 July 2021 Shift 1 Solved Paper

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Question : 27

Total: 90

A rod of mass M and length L is lying on a horizontal frictionless surface. A particle of mass 'm' travelling along the surface hits at one end of the rod with a velocity 'u' in a direction perpendicular to the rod. The collision is completely elastic. After collision, particle comes to rest. The ratio of masses (

. The value of ' x ' will be ______.

[20 Jul 2021 Shift 1]

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