Question

define velocity...............​

Answer 1

Answer:

The speed of a thing in specific direction

Answer 2

The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. ... Velocity is a physical vector quantity; both magnitude and direction are needed to define it.

In SI base units: $\dfrac{m}{s}$

Other units: mph,$\dfrac{ft}{s}$

Dimension: L T−1