Asked by pat
A reservoir dam holds an 8 km2 lake behind it. Just behind the dam, the lake is 14.0m deep. What is the gauge pressure at the base of the dam (in Pascals)?
What is the absolute pressure at a point 2.5 m down from the surface? Assume the pressure at the surface is one atmosphere.
What is the absolute pressure at a point 2.5 m down from the surface? Assume the pressure at the surface is one atmosphere.
Answers
Answered by
bobpursley
gauge pressure=g*1E3kg/m^3*14m
= 9.8*1E3*14 Pa=9.8*14kPa
absolute pressure, add 101kPa to the above to add in atmospheric pressure.
= 9.8*1E3*14 Pa=9.8*14kPa
absolute pressure, add 101kPa to the above to add in atmospheric pressure.
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