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acceleration

The rate of change with time of the velocity vector of a particle.

If u is the vector velocity, the acceleration may be written as D'''u'''/Dt, where D/Dt is the material (or total) derivative. For most purposes in hydrodynamics where Eulerian coordinates are employed, the acceleration is decomposed as follows:

[[File:ams2001glos-Ae5.gif

0 0

Penulis

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