Question

define velocity ,formula and unit of velocity​

Answer 1

Explanation:

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

Explanation:

Velocity is a vector quantity that refers to the rate at which an object changes position.

1. Formula = displacement / time
2. SI unit of velocity = m/s