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Question

Physics Question on mechanical properties of fluid

Which one of the following equation is Torricelli law?

A

P=ρghP=\rho gh

B

v=2hgv=\sqrt{2hg}

C

ηRe=ρvd\eta R_{e}=\rho vd

D

S (2dI)=FdS\,(2dI)=Fd

Answer

v=2hgv=\sqrt{2hg}

Explanation

Solution

For an open container V=2ghV=\sqrt{2gh}