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fysics4fun
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Homework Statement
A very large open water tank has a 50 cm diameter output pipe connected 10 m above the water main which is 6 cm in diameter. If the gauge pressure in the water main reads 9.8 E4 Pa what is the speed at which the water is supplied?
The answer should be 0.5 m/s but I can't see how with Bernoulli's equation. The gauge pressure given is exactly what the pressure change would be (roh g h) when height is the only factor. If the velocity term drops because of no velocity change tho, how can the pipe diameters be different?
Homework Equations
Bernoulli's
The Attempt at a Solution
The gauge pressure given is exactly what the pressure change would be (roh g h) when height is the only factor. If the velocity term drops because of no velocity change tho, how can the pipe diameters be different?