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Water flows through a horizontal tube as...

Water flows through a horizontal tube as shown in figure. If the difference of heights of water colun in the vertical tubes is 2 cm and the area of cross section at A and B are `4cm^2 and 2cm^2` respectively, find the rate of flow of water across any section.

A

`146.05 cm^(3) //sec`

B

`146.05/3 cm^(3) //sec`

C

zero

D

`292.1 cm^(3) //sec`

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The correct Answer is:
A
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