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:

    “Man may have his opinion as to the relative importance of feeding his body and nourishing his soul, but he is allowed by Nature to have no opinion whatever as to the need for feeding the body before the soul can think of anything but the body’s hunger.”
    —George Bernard Shaw (1856–1950)