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Average Velocity Calculator

Choose what you want to calculate, enter the values, and click the 'Calculate' button.

To Calculate:

Average Velocity

Final Velocity

Initial Velocity

m/s

ft/s

km/h

km/s

mi/s

mph

m/s

ft/s

km/h

km/s

mi/s

mph

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Average Velocity Calculator

This calculator helps determine the average velocity of an object by considering its initial and final velocities. It can also calculate either the initial or final velocity if one of them is unknown.

Average Velocity Formula

The average velocity is calculated using the formula:

Vavg = (Vi + Vf) / 2

Where:

  • Vavg = Average Velocity
  • Vi = Initial Velocity
  • Vf = Final Velocity

If either the initial or final velocity is missing, you can calculate it using:

Initial Velocity: Vi = 2 Vavg − Vf

Final Velocity: Vf = 2 Vavg − Vi

Step-by-Step Example

Suppose a car is traveling at 70 km/h and comes to a stop in 10 seconds. We want to find the average velocity during this period.

Given:

  • Initial Velocity, Vi = 70 km/h
  • Final Velocity, Vf = 0 km/h
  • Time = 10 s

Solution:

Substitute the values into the formula:

Vavg = (Vi + Vf) / 2

Vavg = (70 + 0) / 2

Vavg = 35 km/h

Convert to SI units (m/s):

Vavg ≈ 9.72 m/s

FAQs

What is average velocity?

Average velocity is the total displacement divided by the total time taken by an object. It represents how fast an object moves in a specific direction on average.

Can average velocity be zero?

Yes. If an object returns to its starting position, the total displacement is zero, making the average velocity zero, even if the object was moving.

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