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# Velocity [Distance, Time]

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Equation / Last modified by KurtHeckman on 2018/04/02 18:46
`V = `

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vCalc.Velocity [Distance, Time]

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b5ec3e28-3f9d-11e3-83ad-bc764e049c3d

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 (**V**) 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.

**Related Calculators:**

- Compute the time from the distance and velocity.
- Compute the velocity from the distance and time.
- Compute the distance from the velocity and time.

#### The Math

The formula for average velocity is:

v = Δx / Δt

where:

- V is the average velocity
- Δx is the distance
- Δt is the 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)`

#### References

- 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

This equation,

**Velocity [Distance, Time]**, is used in 3 calculators and 1 equation/constant.**Calculators**

**Equations and Constants **

This equation,

**Velocity [Distance, Time]**, is listed in 4 Collections.