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Some fairly big changes. Could use some help with the format of definite integrals for the work-energy theorem in non-constant forces.
'''Kinetic energy''' is the [[energy]] of motion.<ref>Wile, Dr. Jay L. ''Exploring Creation With Chemistry''. Apologia Educational Ministries, Inc. 1998</ref> Kinetic energy is sometimes denoted by the symbol T, and measured in [[Joule]]s ( 1 Joule = 1 kg(<sup>m</sup>/<sub>s</sub>)<sup>2</sup>). The translational kinetic energy of an object of [[mass]] M, with [[velocity]] V in an [[inertia]]l reference frame is (<sup>1</sup>/<sub>2</sub>)MV<sup>2</sup>.
'''Kinetic energy''' represents the [[energy]] asociated with the [[motion]] of an object.<ref>Serway and Beichner, ''Physics for Scientists and Engineers'', Fifth Edition</ref> It is defined as:
K ≡ [[mass|m]][[velocity|v]]<small>2</small> / 2
The change of kinetic energy in an object is equal to the total [[work]] done on it by a [[force]]. In the case of constant force, this can be expressed as:
Σ''W'' = ΔK = mv<sub>f</sub><small>2</small> / 2 - mv<sub>i</sub><small>2</small> / 2
Where v<sub>f</sub> is speed at t = 0 and <sub>i</sub><small>2</small> is speed at time = t.
Kinetic energy is a scalar and has the same units as work (i.e. [[Joule]]).
==References==
==References==
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[[category:physics]]
[[category:physics]]