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Calculate the velocity of efflux of kero...

Calculate the velocity of efflux of kerosene form a tank in which the pressure is `4xx10^(5)"N m"^(-2)` above the atmospheric pressure. The density of kerosene is 800 `"kg m"^(-3)`
[Hint: `v=sqrt(2gh)`]

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The correct Answer is:
`31.62ms^(-1)`
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