Hydraulics and Fluid Mechanics in ME
An open tank containing liquid is made to move from rest with a uniform acceleration. The angle 0 which the free surface of liquid makes with the horizontal is such that (where a = Horizontal acceleration of the tank, and g = Acceleration due to gravity)

tanθ = a2/2g
tanθ = a/g
tanθ = 2 a/g
tanθ = a/2g

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

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