What is the height of the building if on the first floor the barometer reads 750 mm Hg
| March 18, 2021 | education
What is the height of the building if on the first floor the barometer reads 750 mm Hg, and on the last one 720 mm Hg?
P1 = 750 mm Hg, p2 = 720 mm Hg,
h-?
Δp = p1-p2.
Δp = 750-720 = 30 mm Hg
For every 12 m of height, the pressure decreases by 1 mm Hg, which means h = 30 * 12 = 360 m.
Answer: 360 m.
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