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Kinetic Energy Formula

KE = ½·m·v²

What it means

Kinetic energy is the energy an object has because of its motion. Use it to find how much energy a moving mass carries, or to work backwards to a mass or speed.

Variables

SymbolQuantitySI unit
KEkinetic energyJ
mmasskg
vvelocitym/s

Worked example

Given m = 2 kg, v = 10 m/s, solve for KE:

KE = 100 J

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