Which of the following measurements is a velocity?
- 5 m/s
- 5 m/s North
- 5 m/s2
- 5 m/s2 North
5 m/s north is a velocity. Velocity is a vector quantity and it needs both magnitude and direction to define it. In the SI (metric system), velocity is measured as metres per second (m/s) or as the SI base unit of (m⋅s−1).