Question

define velocity along with its unit

Answer 1

Hello!!


Velocity is a physical vector quantity; both magnitude and direction are needed to define it. The scalar absolute value (magnitude) of velocityis called "speed", being a coherent derived unit whose quantity is measured in the SI (metric system) as metres per second (m/s) or as the SI base unit of (m⋅s−1).


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Answer 2

It is defined as the total displacement in total time.
it's unit is metre /second