Hydraulics and Fluid Mechanics in ME
The discharge over a rectangular weir, considering the velocity of approach, is (whereH1 = H + Ha = Total height of water above the weir, H = Height of water over the crest of the weir, and Ha = Height of water due to velocity of approach)

(2/3) Cd × L. √2g [H13/2 - Ha3/2]
(2/3) Cd × L. √2g [H15/2 - Ha5/2]
(2/3) Cd × L.√2g [H12 - Ha2]
(2/3) Cd × L.√2g [H1 - Ha]

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Hydraulics and Fluid Mechanics in ME
Meta-centric height is given as the distance between

The center of gravity of the body and the metacenter
Center of buoyancy and metacenter
The center of gravity of the body and the center of pressure
The center of gravity of the body and the center of buoyancy

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