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IEVref:113-03-49ID:
Language:enStatus: backup
Term: kinetic energy
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Symbol: T
Ek
Definition: energy associated with motion, defined for a particle in classical mechanics by T=12mv2, where m is its mass and v is its speed

NOTE 1 The kinetic energy of a body is given by the integral T=12Dv2dm, where D is a domain containing the body. When the axis of rotation is through the centre of mass, T is also given by T=12mtv2G+12Jω2, where mt is total mass, VG is speed of the centre of mass, J is moment of inertia relative to the axis of rotation, and ω is the magnitude of the angular velocity, and where vG, J, and ω can be time-dependent.

NOTE 2 In relativity, the dependence of the mass m on the speed v has to be considered.


Publication date:2011-04
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