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Water is flowing in streamline motion th...

Water is flowing in streamline motion through a horizontal tube. The pressure at a point in the tube is p where the velocity of flow is v. At another point, where the pressure is p/2, the velocity of flow is [density of water `=rho`]

A

`sqrt(v^(2) + (p)/(rho))`

B

`sqrt(v^(2)-(p)/(rho))`

C

`sqrt(v^(2) +(2p)/(rho))`

D

`sqrt(v^(2)-(2p)/(rho))`

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