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International vocabulary of metrology - Basic and general concepts and associated terms (VIM), 3rd edition Draft of the ninth SI Brochure (BIPM) The above documentation is transcluded from Template:SI base quantities/doc .
The SI system after 1983, but before the 2019 revision: Dependence of base unit definitions on other base units (for example, the metre is defined as the distance travelled by light in a specific fraction of a second), with the constants of nature and artefacts used to define them (such as the mass of the IPK for the kilogram).
International vocabulary of metrology - Basic and general concepts and associated terms (VIM), 3rd edition Draft of the ninth SI Brochure (BIPM) The above documentation is transcluded from Template:SI base quantities/doc .
The unit-codes should be treated as case-sensitive: {{convert|100|Mm|mm}} → 100 megametres (1.0 × 10 11 mm) The output of {{convert}} can display multiple converted units, if further unit-codes are specified after the second unnamed parameter (without the pipe separator). Typical combination output units are listed below in column 7.
This category contains template tables that list various SI and SI-related units. For templates which convert to, from or between SI units see Category:Conversion templates . The pages listed in this category are templates .
SI derived unit Dimension Comments Absement: A: Measure of sustained displacement: the first integral with respect to time of displacement m⋅s L T: vector Acceleration: a →: Rate of change of velocity per unit time: the second time derivative of position m/s 2: L T −2: vector Angular acceleration: ω a: Change in angular velocity per unit ...
For example, the coherent derived SI unit of velocity is the metre per second, with the symbol m/s. [1]: 139 The base and coherent derived units of the SI together form a coherent system of units (the set of coherent SI units). A useful property of a coherent system is that when the numerical values of physical quantities are expressed in terms ...
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