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Water is flowing through a horizontal tube of radius 5 cm and length 5 cm at the rate of 30 lt/s. Find the pressure required to maintain the flow of water if coefficient of viscosity of water is 0.002 Pa s.

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The correct Answer is:
`1.22 xx 10^(5)"pascal"`
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MODERN PUBLICATION-MECHANICAL PROPERTIES OF FLUIDS-Practice Problems
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  7. A rubber ball takes 5 s to fall through a height of 0.5 m inside a lar...

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  8. Calculate the average velocity of water in a tube of diameter 0.3 m so...

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  9. Find the nature of flow of water flowing at a speed of 8 cms"^(-1) thr...

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  14. Calculate the amount of energy released if 27 drops of diameter 10^(-9...

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  15. A needle of length 3 cm is floating on the surface of water. Calculate...

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  16. A rectangular frame having dimensions "8 cm "xx " 4 cm " and width of ...

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  17. In the above problem calculate the downward force on the frame if the ...

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  18. What will be the surface tension of soap solution if the excess pressu...

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  19. A spherical bubble of radius 0.3 mm is formed inside water at a depth ...

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