Velocity: Difference between revisions
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===Instantaneous Velocity=== | ===Instantaneous Velocity=== | ||
Instantaneous velocity is the speed of an object at a particular instant. | |||
For example: A car is making a 3-hour trip from Point A to Point B. For the first hour, the car travels at 80 mph. For the second hour, the car travels at 90 mph. For the third and final hour, the car travels at 60 mph. | |||
===Average Velocity=== | ===Average Velocity=== | ||
Revision as of 15:54, 28 November 2015
Claimed by Stacey Nduati.
Velocity is the time rate of change of position of a body in a specified direction. It is a vector quantity that consists of a magnitude and direction.
Equation
Average velocity can be calculated using the following equation:
- [math]\displaystyle{ \boldsymbol{\bar{v}} = \frac{\Delta\boldsymbol{r}}{\Delta\mathit{t}} }[/math] ,
where [math]\displaystyle{ {\Delta\boldsymbol{r}} }[/math] is the change of direction of the object and [math]\displaystyle{ {\Delta\mathit{t}} }[/math] is the change of time.
The SI units for velocity are meters per second (m/s).
Examples
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Instantaneous Velocity
Instantaneous velocity is the speed of an object at a particular instant.
For example: A car is making a 3-hour trip from Point A to Point B. For the first hour, the car travels at 80 mph. For the second hour, the car travels at 90 mph. For the third and final hour, the car travels at 60 mph.
Average Velocity
See also
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Notes
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External links
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References
Book