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Mechanical Properties Of Fluids

Question
CBSEENPH11018430

A tank containing water has an orifice at depth 4.9m below the free surface of water. Find the velocity of efflux? 

Solution

Given, depth of orifice, h = 4.9 m

Therefore, the velocity of effulx is given by,

           ν=2gh  =2×9.8×4.9  =9.8 m/s