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`d = ( "h" /( V_1 - V_2 ))* V_1 `

Enter a value for all fields

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**) Velocity of Chase Vehicle._{1} - (
**V**) Velocity of 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.

- Time to Overtake: Computes the distance in which the overtake will occur at constant velocities.
- Distance to Overtake: Computes the distance in which the overtake will occur at constant velocities.
- Speed to Overtake by a Distance: Computes the speed required to intercept within a distance boundary.
- Speed to Overtake in Time: Computes the speed required to intercept within a time boundary.

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.

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