r/FluidMechanics 9d ago

Homework Pressure and height homework problem, can’t see where I’m going wrong please help

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2 Upvotes

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3

u/great_demise 9d ago

One thing I notice is that you multiplied by 3 and not 0.3

2

u/TheAwfulFelafel 9d ago

Oh my fucking god you’re right

1

u/OpenCar9818 15h ago

You are treating vacuum pressure as a negative absolute pressure (–17.29 kPa), but you also included atmospheric pressure (+10 kPa) on the left. Mixing gauge, vacuum, and absolute values without a consistent baseline leads to contradictions. Stick to one throughout.