How much does the atmospheric pressure change as it rises from the base of the high-rise

| January 15, 2021 | education

How much does the atmospheric pressure change as it rises from the base of the high-rise building of Moscow University to the top of the spire 240m.

h = 240 meters – the height of the top point of the spire of the Moscow University building;
g = 10 N / kg (Newton per kilogram) – acceleration due to gravity (rounded off);
ro = 1.3 kg / m3 (kilogram per cubic meter) – air density (under normal conditions).
It is required to determine dP (Pascal) – how much the pressure will change when lifting from the base to the top of the spire.
To determine the change in pressure, you must use the following formula:
dP = ro * g * h = 1.3 * 10 * 240 = 13 * 240 = 3120 Pascal (3.12 kPa).
Answer: when you rise from the base to the top of the Moscow University building, the pressure decreases by 3120 Pascal (3.12 kPa).



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