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`v = Deltax "/" Deltat `

Enter a value for all fields

The **Average Velocity** calculator computes the velocity (**V**) based on the change in position (Δx) and the change in time (Δt).

**INSTRUCTIONS:** Choose your units for length (e.g. feet or meters) and time (e.g. minutes or days) and enter the following:

- (Δx) Change in Distance
- (Δt) Change in Time

**Velocity(v)**: The calculator computes the velocity in meters per second (m/s). However this can be automatically converted to numerous other velocity units (e.g. mph) via the pull-down menu.

The formula for average velocity is:

v = Δx / Δt

where:

- v is the average velocity
- Δx is the change in distance
- Δt is the change in time

In vector notation this can also be represented as the difference between two position vectors separated in time:

`|v_"Avg"|` = `(|Deltavecr|)/(Deltat) = |vecr_2 - vecr_1| / (t_2 - t_1)`

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- Young, Hugh and Freeman, Roger. University Physics With Modern Physics. Addison-Wesley, 2008. 12th Edition, (ISBN-13: 978-0321500625 ISBN-10: 0321500628 ) Pg 72, eq 3,2
- Light and Matter(Dr. Benjamin Crowell) Chapter 2.3 Graphs of motion; velocity