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Two horizontal pipes of different diamet...

Two horizontal pipes of different diameters are connected together by a value. Their diameters are 3 cm and 9 cm. Water flows at speed 6 m `s^(-1)` in the first pipe and the pressure in it is `2 xx 10^(5) N m^(-2)`. Find the water pressure and speed in the second pipe.

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0.66 m `s^(-1)`, 2.18 `xx 10^(5) Nm^(-2)`
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