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Water is flowing through a horizontal tube having non-uniform area of cross section. If pressure difference between two points along a horizontal tube is 1.5 cm of mercury and speed of flow of water at a point of smaller cross section is `3 ms^(-1)`, then find the speed of water flow at the other point of larger cross section. Take `g= "10 m/s"^(2)`.

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The correct Answer is:
3.62 m/s
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