- #1

- 678

- 4

## Homework Statement

in this question , the Pressure at entrance is not given , how to do this?

## Homework Equations

## The Attempt at a Solution

does the author mean the pressure at entrance = pressure at exit

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- Thread starter foo9008
- Start date

- #1

- 678

- 4

in this question , the Pressure at entrance is not given , how to do this?

does the author mean the pressure at entrance = pressure at exit

- #2

billy_joule

Science Advisor

- 1,200

- 331

You are expected to find it from the depth of the tank.## Homework Statement

in this question , the Pressure at entrance is not given ,

- #3

- 678

- 4

i am going to use this equation to solve this question , where z = 10 m what is the pressure at ENTRANCE ? it's not givenYou are expected to find it from the depth of the tank.

p/s : hf = 0

- #4

billy_joule

Science Advisor

- 1,200

- 331

If z=0 is along the pipe axis then z=10 is the water surface, and the pressure there is equal to the exit pressure so both can be set to zero.

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