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1. |
A liquid of density ρ is coming out of a hose pipe of radius \(\alpha \) with horizontal speed v and hits a mesh. 50% of the liquid passes through the mesh unaffected 25% losses all of its momentum and, 25% comes back with the same speed. The resultant pressure on the mesh will be |
A. | ρv2 |
B. | \(\frac{1}{2}\rho {v^2}\) |
C. | \(\frac{1}{4}\rho {v^2}\) |
D. | \(\frac{3}{4}\rho {v^2}\) |
Answer» E. | |