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Atmospheric pressure is the weight of the air above the surface of the earth. As elevation increases, there is less air above the location and the pressure is lower. At sea level the column of air above the area is greater.?æ

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How do you get the percentage of atmosphere above a height given in km and then how do you get the pressure for the height in mb?

To find the percentage of atmosphere above a certain height in kilometers, you can use the barometric formula to calculate the pressure at that height. Then, you can simply divide the pressure at the given height by the pressure at sea level (1013.25 mb) and multiply by 100 to get the percentage of atmosphere above that height.


At approximately what height in the atmosphere would the atmospheric pressure be at 1.0 millibars?

The atmospheric pressure of 1.0 millibars is typically found at an altitude of about 50 kilometers above the Earth's surface. At this height, the pressure is very low, and it is considered to be part of the upper atmosphere or exosphere.


How does atmospheric pressure change as you move away from the surface of earth?

Atmospheric pressure decreases as you move away from the surface of the Earth. This is because the weight of the air above you decreases with higher altitudes, resulting in lower atmospheric pressure.


When intrapulmonary pressure is above atmospheric pressure what is able to occur?

When intrapulmonary pressure is above atmospheric pressure, air will move out of the lungs due to the pressure gradient, allowing for expiration. This is known as exhalation.


What causes atmospheric pressure?

Amospheric pressure is caused by the weight of air molecules above it. As elevation increases, fewer air molecules are present. Therefore, atmospheric pressure always decreases with increasing height.

Related Questions

How do you get the percentage of atmosphere above a height given in km and then how do you get the pressure for the height in mb?

To find the percentage of atmosphere above a certain height in kilometers, you can use the barometric formula to calculate the pressure at that height. Then, you can simply divide the pressure at the given height by the pressure at sea level (1013.25 mb) and multiply by 100 to get the percentage of atmosphere above that height.


How do you get the percentage of atmosphere above a height given in km and then how do you get the pressure for the height in mb What is the formula?

Formulas for atmospheric pressure variation with altitude. Scroll down to related links and look at "Atmospheric pressure - Wikipedia".


Why does atmospheric pressure increase with height?

Atmospheric pressure decreases with height due to the weight of the air above pushing down on the air below. As you move higher in the atmosphere, the air becomes less dense because there is less weight of air above it, leading to a decrease in pressure.


Does an altimeter measure height?

An altimeter actually measure brometric (atmospheric) pressure, which converts to height above sea level


What is the psi for 24 inch above ground?

The pressure at a given height above ground can vary depending on several factors, including atmospheric conditions. However, at sea level, atmospheric pressure decreases by approximately 0.5 psi for every 1,000 feet of elevation. Therefore, at 24 inches (2 feet) above ground, the change in pressure is negligible, and it remains very close to the standard atmospheric pressure of about 14.7 psi.


How does atmospheric pressure affect you. How does atmospheric pressure change as you increase your distance above earth's surface?

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At approximately what height in the atmosphere would the atmospheric pressure be at 1.0 millibars?

The atmospheric pressure of 1.0 millibars is typically found at an altitude of about 50 kilometers above the Earth's surface. At this height, the pressure is very low, and it is considered to be part of the upper atmosphere or exosphere.


How does pressure change with height?

When you get into higher altitudes, there are less molecules. Making the pressure less dense. It also has less oxygen molecule, making it harder to breathe.


How does the pressure exerted by the atmosphere change as altitude increase?

As altitude increases, atmospheric pressure decreases. This occurs because the density of air diminishes with height; there are fewer air molecules above a given point in the atmosphere to exert pressure. Consequently, at higher altitudes, the overall weight of the air above decreases, leading to lower atmospheric pressure. This relationship is why we experience thinner air and reduced oxygen availability at high elevations.


Does gauge pressure include atmospheric pressure?

Yes, gauge pressure includes atmospheric pressure. Gauge pressure is the pressure measured above atmospheric pressure, so it accounts for the atmospheric pressure as a reference point.


How we can calculate height of a place from sea level?

The height of a place from sea level can be calculated using a device called an altimeter, which measures the atmospheric pressure. By comparing the atmospheric pressure at the location with the standard atmospheric pressure at sea level, the height above sea level can be determined. GPS receivers can also provide accurate altitude information by using satellite signals.


Why does the barometric height reads less at Himalayas peak than Delhi?

The barometric height reads less at the peaks of the Himalayas compared to Delhi primarily due to the difference in atmospheric pressure. At higher altitudes, such as the Himalayas, the air is less dense and there is less air above exerting pressure, resulting in lower atmospheric pressure. In contrast, Delhi, being at a lower altitude, has a greater column of air above it, leading to higher atmospheric pressure and, consequently, a higher barometric reading. This phenomenon is a fundamental aspect of how atmospheric pressure varies with elevation.