Kinetic Energy

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Kinetic Energy k</sub>)</strong> </dt>
The energy which a body possesses as a consequence of its motion, defined as one-half the product of its mass m and the square of its speed v, 1/2 mv². The kinetic energy per unit volume of a fluid parcel is the 1/2 p v2 , where p is the density and v the speed of the parcel. See potential energy.

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For relativistic speeds the kinetic energy is given by E_k = mc² - m₀c² where c is the velocity of light in a vacuum, m₀ is the rest mass, and m is the moving mass.

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References

This article is based on NASA's Dictionary of Technical Terms for Aerospace Use