What Is Velocity Expressed In?
Velocity can be expressed in a number of units and systems. Velocity is a speed in a given direction. The speed can be expressed as a magnitude using units such as m/s, km/s, mph etc. The direction can be expressed in many different ways such as angular (2 rads from X, 1.2 rads from Y), unit vector notation, or simpler terms like North, and Down.