calculate the net force on your 0.5- cm2cm2 eardrum that air exerts on the inside and the outside after you drive from denver, colorado (elevation 1609 mm ) to the top of pikes peak (elevation 4301 mm ). assume that the air pressure inside and out are balanced when you leave denver, the pressure inside the eardrum does not change, and that the density of the air is constant and is equal to 0.80 kg/m3kg/m3 .



Answer :

the air pressure inside and outside is equal, and the pressure inside the eardrum remains constant. At 15 degrees Celsius and sea level, the density of air is approximately 1.225 kilograms per cubic meter (kg/m3).

At a temperature of 273 K and a pressure of 101.325 kPa, dry air has a density of 1.293 kg/m3. The composition of air is basically constant up to an altitude of at least 50 km, with the exception of the variability of water vapor. Finding the air density is a straightforward process. The air pressure must be split into two partial pressures: that of dry air and that of water vapor. These two values when combined result in the desired parameter.

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