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Water is conveyed through a tube 8 cm in...

Water is conveyed through a tube 8 cm in diameter and 4 km in length at the rate of 120 litres per minute. Calcualte the pressure difference required to maintain the flow. Coefficient of viscosity of water = `0.001` SI units.
[Hint" "`V=(piPr^(4))/(8etal)`]

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The correct Answer is:
`7.96xx10^(3)`Pa
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