Engineering
Physics
BernoulIis Equation and Equation of Continuity
Question

A rectangular tank is filled completely with water. A hole at its bottom is unplugged. The graph between the velocity of efflux (through a small hole) vs depth of water h from the top of tank.

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Solution

Applying Bernoulli's theorem

12ρv2=ρg(Hh)

v2=2g(Hh)