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Joule
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The joule (J) is the SI unit of energy and work, and is defined as 1 kg m2 s-2 = 1 N m = 1 W s. It is named in honour of the physicist James Prescott Joule.
The work required to lift 102 g (e.g. a small apple) for one metre under the earth's gravity is 1 joule.
- 1 joule = 0.239 calories.
See 1 E0 J for comparisons.
See also: conversion of units, eV, kWh, TWh
- Conversion Calculator for Units of ENERGY (http://www.ex.ac.uk/cimt/dictunit/ccenrgy.htm)
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