Question #13de8

1 Answer
A08
Jun 9, 2016

#5Atm#

Explanation:

The pressure exerted by a static fluid depends only upon height #h# of the fluid column, the density #rho# of the fluid, and acceleration due to gravity #g#.

The pressure in a static fluid is given by the expression

#P_"static fluid" = ρgh#
my computer

  1. At the surface the pressure is due to atmosphere.
  2. At depth #h# pressure is sum of pressure due to air and pressure due to water column of depth #h#
    #P_h=Air+"pressure due to water of depth "h#
    Inserting given values we obtain
    #3Atm=1Atm+"pressure due to water of depth "h#
    #=>"pressure due to water of depth "h=3-1=2Atm#
  3. #:."pressure due to water of depth "2h=2xx2=4Atm#
    Now #P_(2h)=Air+"pressure due to water of depth "2h#
    Inserting calculated value we obtain
    #P_(2h)=1+4=5Atm#
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