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Water is flowing through a frustum like ...

Water is flowing through a frustum like section of a pipe as shown. Pressure difference across the end is `4000 N/m^2`, area of crosssection `A = sqrt(6) m^2` . Find volume flow rate through the pipe.

A

` 4 m^3 /s`

B

` 2 m^3 /s`

C

` 1 m^3 /s`

D

` 8 m^3 /s`

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