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Speed of Efflux

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Question

A cubical tank of side 1 m is filled with 800 kg of a liquid. Find : (i) the volume of tank, (ii) the density of liquid in kg $m^{- 3}$

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Solution

Volume of a cube is $V = a^{3} = 1 m^{3}$

Density is $ρ = \frac{M}{V} = 800 k g / m^{3}$

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