Question

what is velocity? what is it sir unit​

Answer 1

Answer:

Velocity is a physical vector quantity; both magnitude and direction are needed to define it. The scalar absolute value (magnitude) of velocity is 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).

Answer 2

Answer:

Velocity is displacement travelled per unit time. It is a vector quantity.

It's S.I unit is metre/second