Question

2. A weatherman carried an aneroid barometer from the ground floor to his office atop of the Sears Tower in Chicago. On the ground level, the barometer reads 30.150 in.Hg absolute; topside it reads 28.607 in.Hg. Assume that the average atmospheric air density was 0.075 lb/ft3. Estimate the height of the Sears Tower building.

Answer 1

Answer:

Explanation:

First I solve for the change in pressure

30.15-28.607 = 1.543inHg

Then converted it to lb/ft^2 =109.165

 

Pressure= density x gravity x height

 

109.165lb/ft^2 = 0.075h

 

109.165/0.075 =h

 

H= 145ft

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