Assume you have a building that is 150 meters high. If the density of air remains constant, what is the difference in atmospheric pressure between the ground floor and the ceiling of the building?
I'm not too sure how to go about doing this as my notes are limited and searching for an equation online has led me nowhere.
I was thinking Pair x g x h, but at the ground floor it would be 0 for the height.
Thanks!
2006-11-28 13:22:20 · 2 answers · asked by alonso_fan85 1 in Science & Mathematics ➔ Physics
The question asks for the difference in pressure so it is not necessary to know how high the air column extends above the building or assume the bottom is at sea level. and you have the correct equation.
Pair top floor- P air bottom floor= rho x g x h
2006-11-28 13:42:24 · answer #1 · answered by MrWiz 4 · 2⤊ 0⤋
well, first you gotta know the height to which air extends up to from Earth. Then, you deduct from this height the height of 150 m. The resultant height of this calculation will give the atmospheric pressure at the ceiling of the building.
The atmospheric pressure at the ground floor would be the atmospheric pressure at sea level(1.013 X 10^5 Pa), assuming the ground floor is at sea level.
2006-11-28 21:33:37 · answer #2 · answered by zeromeyzl 2 · 0⤊ 0⤋