Water Tank Has A Hole In Its Wall At A Distance Of 10 M Below The Free Surface Of Water. The Diameter Of The Hole Is 2 Mm. Compute The Velocity Of Efflux Of Water From The Hole And The Rate Of Flow Of Water. (g = 9.8 M/s2) 

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Question

Water tank has a hole in its wall at a distance of 10 m below the free surface of water. The diameter of the hole is 2 mm. Compute the velocity of efflux of water from the hole and the rate of flow of water. (g = 9.8 m/s2

Solution

Correct option is

 

The velocity of efflux of water is  

        

           

            = 14 m/s 

The rate of flow of water is 

        

                   

                   .

Testing

SIMILAR QUESTIONS

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Q5

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Q7

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Q8

A horizontal tube has different cross-sectional areas at points A and B. The diameter of A is 4 cm and that of B is 2 cm. Two manometer limbs are attached at A and B. When a liquid of density 0.8 g/cm3 flows through the tube, the pressure-difference between the limbs of the manometer is 8 cm. calculate the rate of flow of the liquid in the tube. (g = 980 cm/s2  

Q9

 

Find out the velocity of efflux of water from a hole in the wall of a tank made at 20 m below the free surface of water in the tank.

g = 10 m/s2.

Q10

S1 and S2 are spring balances. A block A is hanging from spring balanceS1 and immersed in a liquid L which is contented a beaker B. The mass of beaker B is 1 kg and the mass of liquid L is 1.5 kg. The S1 and S2balances reads 2.5 kg and 7.5 kg respectively. What will be the reading ofS1 and S2 when the block A is pulled up out of the liquid :