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Specific kinetic energy is kinetic energy of an object per unit of mass.

Specific kinetic energy
Common symbols
ke, or ek
SIĀ unitJ/kg, or m2/s2
Derivations from
other quantities
ek = Ā½v2

It is defined as .

Where is the specific kinetic energy and is velocity. It has units of J/kg, which is equivalent to m2/s2.