It is velocity. Velocity is a vector quantity. Vector quantity has both magnitude and direction. 3 m/s north has 3 m/s as magnitude and north as direction.
Velocity is a vector quantity. The movement of an object 3 m/s north is an example of Velocity.
Velocity:
It is defined as the rate of change in the position of an object with time, respect to a frame of reference.
Here, 3 m/s second is the speed of the object but the direction of movement is also given hence it is velocity.
Therefore, the movement of an object 3 m/s north is an example of Velocity.
To know more about velocity,
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