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OpenStudy (aravindg):
A 100 k/h wind blows normally against one wall of a house with an area of 50 m square.calculate the force exerted on the wall if the air moves parallel to wall after striking it and has a density of 1.134 kg /m cube
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OpenStudy (aravindg):
help plzzzzzzzzzzz
OpenStudy (anonymous):
not worrying about units q= pressure p= density v= velocity q= 1/2 p v^2 q = 1/2 1.134 100^2 5670 is pressure I guess to get the force we multiply by area 5670*50=
OpenStudy (aravindg):
r u sure???
OpenStudy (anonymous):
about 80 percent
OpenStudy (aravindg):
rest too plz
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OpenStudy (anonymous):
No, I meant I am 80% sure
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