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JEE Main 11 Jan 2019 Shift 1 Solved Paper

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Question : 4

Total: 90

A liquid of density ρ is coming out of a hose pipe of radius a with horizontal speed v and hits a mesh. 50% of the liquid passes through the mesh unaffected. 25% looses all of its momentum and 25% comes back with the same speed. The resultant pressureon the mesh will be :

ρv2
3
4
ρv2
1
2
ρv2
1
4
ρv2

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