Definition:Average Velocity

Definition

Let $B$ be a body in motion.

Let $\Bbb I = \closedint {t_1} {t_2}$ be a time interval.

Let $\mathbf s_1$ and $\mathbf s_2$ be the displacement of $B$ at $t_1$ and $t_2$ respectively.

The average velocity of $B$ during $\Bbb I$ is defined as the change of displacement during $\Bbb I$ divided by the length of $\Bbb I$:

$\overline {\mathbf v} := \dfrac {\mathbf s_2 - \mathbf s_1} {t_2 - t_2}$

Also see

• Definition:Velocity
• Definition:Instantaneous Velocity

Sources

• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): velocity
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): velocity