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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 .
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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).
Change of acceleration per unit time: the third time derivative of position m/s 3: L T −3: vector Jounce (or snap) s →: Change of jerk per unit time: the fourth time derivative of position m/s 4: L T −4: vector Magnetic field strength: H: Strength of a magnetic field A/m L −1 I: vector field Magnetic flux density: B: Measure for the ...
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 ...
The International System of Units (PDF) (9th ed.), International Bureau of Weights and Measures, Dec 2022, ISBN 978-92-822-2272-0 Template documentation [ view ] [ edit ] [ history ] [ purge ] SIbrochure9th is for referencing the 9th edition of the official brochure of the BIPM (SI units and prefixes) defining the " New SI ".
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