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Physics

Define velocity. State its unit.

Motion in One Dimension

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Answer

The velocity of a body is the distance travelled per second by the body in a specified direction.

It is a vector quantity.

S.I. unit of velocity=metresecond=msC.G.S. unit of velocity=centimetresecond=cms\text{S.I. unit of velocity} = \dfrac{\text{metre}}{\text{second}} = \dfrac{\text{m}}{\text{s}} \\[0.5em] \text{C.G.S. unit of velocity} = \dfrac{\text{centimetre}}{\text{second}} = \dfrac{\text{cm}}{\text{s}} \\[0.5em].

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