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Atmospheric pressure, also known as air pressure or barometric pressure (after the barometer), is the pressure within the atmosphere of Earth. The standard atmosphere (symbol: atm) is a unit of pressure defined as 101,325 Pa (1,013.25 hPa ), which is equivalent to 1,013.25 millibars , [ 1 ] 760 mm Hg , 29.9212 inches Hg , or 14.696 psi . [ 2 ]
When atmospheric pressure is measured by a barometer, the pressure is also referred to as the "barometric pressure". Assume a barometer with a cross-sectional area A, a height h, filled with mercury from the bottom at Point B to the top at Point C. The pressure at the bottom of the barometer, Point B, is equal to the atmospheric pressure.
Pressure as a function of the height above the sea level. There are two equations for computing pressure as a function of height. The first equation is applicable to the atmospheric layers in which the temperature is assumed to vary with altitude at a non null lapse rate of : = [,, ()] ′, The second equation is applicable to the atmospheric layers in which the temperature is assumed not to ...
Uchu Sentai Kyuranger the Movie: Geth Indaver Strikes Back (宇宙戦隊キュウレンジャー THE MOVIE ゲース・インダベーの逆襲, Uchū Sentai Kyūrenjā Za Mūbī Gēsu Indabē no Gyakushū) is a feature film that premiered in the Japanese theaters on August 5, 2017, double billed with Kamen Rider Ex-Aid the Movie: True Ending. [6]
Uchu Sentai Kyuranger is a 2017 Japanese television series, and is the 41st entry of the long-running Super Sentai series produced by TV Asahi and Toei Company.Taking place in the late 21st century, the series follows a team of alien warriors chosen by the constellations to fight Jark Matter, an evil organization that has taken over the galaxy.
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Barograph – an aneroid barometer that records the barometric pressure over time and produces a paper or foil chart called a barogram; Barometer – an instrument used to measure atmospheric pressure using either water, air, or mercury; useful for forecasting short term changes in the weather
In the bottom centre is the aneroid (large circular silver object). As the pressure increases, the aneroid is pushed down causing the arm to move up and leave a trace on the paper. As the pressure decreases, the spring lifts the aneroid and the arm moves down. After three days the drum to which the graph is attached is removed.