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The scale height remains constant for a particular temperature. It can be calculated by [1] [2] =, or equivalently, =, ... is the permeability of free space
The increase in altitude necessary for P or ρ to drop to 1/e of its initial value is called the scale height: H = R T M g 0 {\displaystyle H={\frac {RT}{Mg_{0}}}} where R is the ideal gas constant, T is temperature, M is average molecular weight, and g 0 is the gravitational acceleration at the planet's surface.
Scale height of figures in 1:60 and 1:72 scale. Historically the size of miniatures was described in absolute scale in various different systems of measurement, most commonly in metric and English units. A 28mm miniature means that the size of the miniature will be 28mm from the feet of the mini to the chosen reference point.
Length scale (or "scale length"), a significant concept in physics used to define the order of magnitude of a system; Scale height (or "scale length"), a specific parameter in physics denoting the distance over which a quantity decreases by a factor of e; Scale length (string instruments), a measurement of the length of a musical instrument string
A scale used for high-end model aircraft and very detailed paper and plastic model ships. 9 mm figure scale. Many airlines distribute models in this scale for free as a means of advertising. Aeroplane model brands in this scale include Flight Miniatures, JC Wings 200, Wings of Glory, and others. Common scale for architectural modelling. 1:182.88
A scale model of the Tower of London. This model can be found inside the tower. A scale model of a hydropower turbine. A scale model is a physical model that is geometrically similar to an object (known as the prototype). Scale models are generally smaller than large prototypes such as vehicles, buildings, or people; but may be larger than ...
Human scale is the set of physical qualities, ... Distance: one to two metres (3 to 6 ft – human arm's reach, stride, height) Attention span: seconds to hours;
Height of the Salto Angel, the world's highest free-falling waterfall 10 3: 1 kilometer 2.3 km Length of the Three Gorges Dam, the largest dam in the world [34] [35] 3.1 km Narrowest width of the Strait of Messina, separating Italy and Sicily: 8.848 km Height of Mount Everest, the highest mountain on Earth 10 4: 10 km: 10.9 km