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Physics

Fluid-Mechanics

Easy

Question

A liquid of density 800 Kg m^-3 is filled in a large vessel open at the top. The total pressure at the bottom of the vessel is 1.6 atm. If a hole is made at the bottom of the tank, the velocity of efflux through the hole is $open parentheses 1 a t m equals 10 to the power of 5 P a close parentheses$ .

$10 m s^{- 1}$
$20 m s^{- 1}$
$10 \sqrt{2} m s^{- 1}$
$\frac{10}{\sqrt{2}} m s^{- 1}$

The correct answer is: $20 m s to the power of negative 1 end exponent$

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