Pressure at the bottom of a container

  • Thread starter Spirochete
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  • #1
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Homework Statement


In an open glass container, 0.10 m of oil (rho=850 kg/m^3) floats on top of 0.20 m of water (1000 kg/m^3). What is the pressure at the bottom of the glass?


Homework Equations



(rho)(h)(g)= pressure at a depth of h


The Attempt at a Solution



The only thing I'm not sure of is: for the oil, should I consider h to be o.1 m, or the sum of both heights, making h 0.3?

edit: I also know i have to add in 1 atmosphere at the end
 

Answers and Replies

  • #2
Doc Al
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The only thing I'm not sure of is: for the oil, should I consider h to be o.1 m, or the sum of both heights, making h 0.3?
Each fluid gets its own "height". You'll find the sum of both pressures, not heights.
 

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