what is meant by velocity?
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Velocity is a vector expression of the displacement that an object or particle undergoes with respect to time . The standard unit of velocity magnitude (also known as speed ) is the meter per second (m/s). Alternatively, the centimeter per second (cm/s) can be used to express velocity magnitude. The direction of a velocity vector can be expressed in various ways, depending on the number of dimensions involved.
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The rate of change of displacement in per unit time is known as velocity.
Its SI unit is m/s,and CGS unit is cm/sec.
Explanation:
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