1–44

1–44 The gage pressure in a liquid at a depth of 3 m is read
to be 28 kPa. Determine the gage pressure in the same liquid
at a depth of 9 m.
ANS
1-44The gage pressure ina liquid ata certaindepth isgiven. The gage pressure in the same liquid at a
differentdepth istobe determined.
Assumptions  The variation of the densityof the liquid withdepth isnegligible.
Analysis The gage pressure attwo differentdepths of a liquid can be expressed as