Relative Velocity

The relative velocity (also or ) is the velocity of an object or observer B in the rest frame of another object or observer A. If it is constant,

where is A's velocity in the rest frame of B.

Read more about Relative Velocity:  Classical Mechanics, Special Relativity Theory, Example

Famous quotes containing the word relative:

    “Excellence or virtue is a settled disposition of the mind that determines our choice of actions and emotions and consists essentially in observing the mean relative to us ... a mean between two vices, that which depends on excess and that which depends on defect.”
    —Aristotle (384–323 B.C.)