define atmospheric pressure ?
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Answer:
Atmospheric pressure, also known as barometric pressure, is the pressure within the atmosphere of Earth. The standard atmosphere is a unit of pressure defined as 101,325 Pa, which is equivalent to 760 mm Hg, 29.9212 inches Hg, or 14.696 psi.
Formula
P_h= P_0 e^{\frac {-mgh}{kT}}
P_h = pressure at height h
P_0 = sea level pressure
g = acceleration due to gravity
k = Boltzmann's constant (ideal gas constant divided by Avogadro's number)
T = absolute temperature
m = mass of one air molecule
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Answer:
the pressure that is exerted by atmosphere is known as atmospheric pressure
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