Question

Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is 1
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Answer #1

Solution

From equation of continuity

A1V1=A2V2..................................................(i)

A1 is the area of the bottom section

V1is the velocity of the bottom section

A2 is the area of upper section

V2 is the volume of upper section

Now, by bernoullis equation

+ |- 3 | + เพิ่ง

པ བརླ|ས P9pg

– 2P1 – 2P2 – 2pgh. – 03 – cum pg

putting the value of equation ......(i)

| 2(R-B- pgh.) P9 4S

_ 2(P1 – P2 – pgh:) _ A - A, pg

=> _ 2(P1 – P2 - pgh.) A - A} – A Pg

putting the given values from the question we get

= V1 = 0.11m/s

Therefore

*0.11m/s = 0.52m/s

Flow rate = A1V1 = 2.33e-4 m3/s

If any doubt feel free to comment

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