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Given-The cabin of a passenger jet is pressurized to 8000ft. The plane is flying

ID: 1815016 • Letter: G

Question

Given-The cabin of a passenger jet is pressurized to 8000ft. The plane is flying at 35,000 ft. Find- The force acting on the window of area 2.0ft2. Is the force acting inward or outward? I think that there is a normal force acting on the window andthe force should be acting inward since the plane is @ 35k ft. andit's only pressurized to 8k ft. I know thatstress=force/area, but I don't know how to figure out what thestress is given the elevation. Any help would begreat. Thank you in advance! Given-The cabin of a passenger jet is pressurized to 8000ft. The plane is flying at 35,000 ft. Find- The force acting on the window of area 2.0ft2. Is the force acting inward or outward? I think that there is a normal force acting on the window andthe force should be acting inward since the plane is @ 35k ft. andit's only pressurized to 8k ft. I know thatstress=force/area, but I don't know how to figure out what thestress is given the elevation. Any help would begreat. Thank you in advance!

Explanation / Answer

(density)(gravity)(height)
so to find the change in pressure just use density of air *gravity * change in height all in same unit system
then use P = F/A so multiply the pressure you get by the areaof 2 and you've got your answer
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