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# Distance to Overtake

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Equation / Last modified by KurtHeckman on 2019/05/02 11:06
`d = `

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vCalc.Distance to Overtake

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The **Distance to Overtake** calculator computes the distance required to overtake a vehicle based on the speeds of the two vehicles and the head start.

**INSTRUCTION:** Choose units and enter the following:

- (
**h**) Distance between the vehicle (i.e. the head start) - (
**V**) This is the velocity of the chase vehicle._{1} - (
**V**) This is the velocity of the lead vehicle._{2}

**Distance to Overtake (d):** The calculator returns the distance in miles. However, this can be automatically converted to compatible units via the pull-down menu.

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#### The Math / Science

The formula for the time required to overtake is:

d = V_{1}•h / (V_{1} - V_{2})

where:

- d is the distance required at the specified velocities for vehicle 1 to overtake vehicle 2.
- h is the distance between the vehicles or the head-start.
- V
_{1}is the velocity of vehicle one - V
_{2}is the velocity of vehicle two.

This equation,

**Distance to Overtake**, is used in 1 calculator.**Calculators**