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abstraction > mathematical concept > unit > energy unit > joule
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joule
(J)
subjectfact 
joulehas symbol Jhas source: Jerrard, H.G., McNeill, D.B. 1992 Dictionary of Scientific Units, Chapman and Hall, 2001-09-27 09:32:48.0
is named after J. P. Joulehas source: Jerrard, H.G., McNeill, D.B. 1992 Dictionary of Scientific Units, Chapman and Hall, 2001-09-27 09:32:48.0
has proposer British Association2001-09-27 09:32:48.0
has unit N·m2001-09-27 09:32:48.0
has equivalent 1 watt second (electrical units)has source: Jerrard, H.G., McNeill, D.B. 1992 Dictionary of Scientific Units, Chapman and Hall, 2001-09-27 09:32:48.0
has equivalent 107 ergshas source: Jerrard, H.G., McNeill, D.B. 1992 Dictionary of Scientific Units, Chapman and Hall, 2001-09-27 09:32:48.0
has equivalent 2.78 × 10-7 kW hhas source: Jerrard, H.G., McNeill, D.B. 1992 Dictionary of Scientific Units, Chapman and Hall, 2001-09-27 09:32:48.0
has equivalent 9.47 × 10-4 Btuhas source: Jerrard, H.G., McNeill, D.B. 1992 Dictionary of Scientific Units, Chapman and Hall, 2001-09-27 09:32:48.0
has equivalent 9.47 × 10-9 thermhas source: Jerrard, H.G., McNeill, D.B. 1992 Dictionary of Scientific Units, Chapman and Hall, 2001-09-27 09:32:48.0
has approval agency International Conference on Weights and Measureshas source: Jerrard, H.G., McNeill, D.B. 1992 Dictionary of Scientific Units, Chapman and Hall, 2001-09-27 09:32:48.0
has base unit m2kg·s-22001-09-27 09:32:48.0
has approval date 1948has source: Jerrard, H.G., McNeill, D.B. 1992 Dictionary of Scientific Units, Chapman and Hall, 2001-09-27 09:32:48.0
has proposal date 1888has source: Jerrard, H.G., McNeill, D.B. 1992 Dictionary of Scientific Units, Chapman and Hall, 2001-09-27 09:32:48.0
has definition Unit of work which is equal to a force of one newton acting over a distance of one metre in the direction of the force. It was recognized by the IEC in 1889. The specific heat of water at 15 °C is 4185.5 joule (kg °C)-1, a figure previously always associated with J, the mechanical equivalent of heat.has source: Jerrard, H.G., McNeill, D.B. 1992 Dictionary of Scientific Units, Chapman and Hall, 2001-09-27 09:32:48.0
has definition Unit of energy, work, or quantity of heat. 1 J is equal to a force of 1 newton acting over a distance of 1 meter. 1 J = 107 ergs.has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:32:48.0
is an instance of energy unit2001-09-27 09:32:48.0
is an instance of named derived SI unit2001-09-27 09:32:48.0
energy unitis a unit of energy2001-09-27 09:32:48.0
unithas historical origin2001-09-27 09:32:42.0
represents2001-09-27 09:32:42.0
SI unitis an acronym for Syteme Internationale2001-09-27 09:32:55.0

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