what is the relation between altitude and pressure?
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Pressure with Height: pressure decreases with increasing altitude. The pressure at any level in the atmosphere may be interpreted as the total weight of the air above a unit area at any elevation. At higher elevations, there are fewer air molecules above a given surface than a similar surface at lower levels.
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Answer: As you go higher in altitude in mesosphere, the temperature decreases. Altitude and temperature in this layer in inversely proportional. The higher the altitude the lower the temperature in this layer.
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Indicated altitude is pressure altitude corrected for local atmospheric conditions. ... All aircraft in a given area should be on the same altimeter setting so relative (altitude) separation is maintained. A GPS, on the other hand, measures your absolute altitude off several satellites.
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Barometric pressure is the weight of the atmosphere that surrounds us. Barometric pressure often drops before bad weather. Lower air pressure pushes less against the body, allowing tissues to expand. Expanded tissues can put pressure on joints and cause pain.
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The distance above sea level. How does latitude and altitude affect climate? The altitude affects the climate because the higher the altitude, the cooler and harsher the climate. Also, if the latitude is to 0 degrees, the hotter the temperature and the more humidity in the atmosphere.
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Explanation: The two have an inverse relationship, that is, when elevation increases, atmospheric pressure decreases. This is due to the amount of air on top of you at your current elevation. ... At higher elevations, you have less air above you, and thus less pressure.
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Altitude and Density The density of air decreases with height. There are two reasons: at higher altitudes, there is less air pushing down from above, and gravity is weaker farther from Earth's center. So at higher altitudes, air molecules can spread out more, and air density decreases (Figure below).
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Atmospheric pressure decreases as the height of a surface above ground level increases. This is because, as the altitude increases: the number of air molecules decreases. the weight of the air decreases.
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Flight levels use QNE or pressure altitude, while altitude references QNH or local pressure adjusted to sea level pressure. ... The transition between altitudes and flight levels differs by country and is generally just above the highest obstacle in that country. In the US the transition altitude/level is 18,000' / FL180.
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Absolute Altitude is height above ground level (AGL). Pressure Altitude is the indicated altitude when an altimeter is set to 29.92 in Hg (1013 hPa in other parts of the world). ... Density Altitude is formally defined as “pressure altitude corrected for nonstandard temperature variations.”
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According to your graph, what is the relationship between pressure and volume? Volume (V), is inversely proportional to the pressure (P). When the pressure of gas increases, the volume of gas decreases.
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Terms in this set (15) Which statement best describes air pressure at high altitudes? Air pressure decreases as altitude increases.
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Water vapour is less dense than dry air. Therefore with increasing amounts of water vapour in air, with pressure and temperature constant, the air's density is decreased. Therefore, with increasing amounts of water vapour in the air, with pressure and temperature constant, density altitude is increased.
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But do you actually get more drunk on an airplane and at high altitudes? No, but you might feel like you are. ... Higher altitude means lower air pressure, and the lower the air pressure, the less oxygen a person's blood is able to take in. When there's an oxygen deficiency in the body, it's called hypoxia.
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The pressure-gradient force is the force that results when there is a difference in pressure across a surface. ... In Earth's atmosphere, for example, air pressure decreases at altitudes above Earth's surface, thus providing a pressure-gradient force which counteracts the force of gravity on the atmosphere.
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Indicated altitude is the reading on the altimeter when it is set to the local barometric pressure at mean sea level. ... True altitude is the actual elevation above mean sea level. It is indicated altitude corrected for non-standard temperature and pressure.
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High in the atmosphere, air pressure decreases. With fewer air molecules above, there is less pressure from the weight of the air above. Pressure varies from day to day at the Earth's surface - the bottom of the atmosphere. ... A low pressure system has lower pressure at its center than the areas around it.