A container of large uniform cross-sectional area A resting on a horizontal surface, holds two immiscible, non-viscous and incompressible liquids of densities d and 2d, each of height H/2 as shown in figure. The lower density is opened to the atmosphere having pressure P0.
A tiny hole of area s(<<A) is punched on the vertical side of the container at a height h(<H/2).
The initial speed of efflux of the liquid at the hole is
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UP 0 DOWN 0 0 0
