A horizontal pipe has a cross section of 10 cm2 in one region and of 5 – InterviewSolution

1.	A horizontal pipe has a cross section of 10 cm2 in one region and of 5 cm2 in another. The water velocity at the first is 5 ms–1 and the pressure in the second is 2×105 Nm–2. Find the pressure of water in 1st region (in 102 Pa).
Answer» A horizontal pipe has a cross section of $10 {cm}^{2}$ in one region and of $5 {cm}^{2}$ in another. The water velocity at the first is $5 {ms}^{- 1}$ and the pressure in the second is $2 \times 10^{5} {Nm}^{- 2} .$ Find the pressure of water in $1^{s t}$ region (in $10^{2} Pa$ ).

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