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Speed of Slow Vehicle using OSD Formula

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Speed of Slow moving vehicle is the speed of vehicle which has to be overtaken. Check FAQs

V b = \frac{OSD - V \cdot T - 2 \cdot l}{t r + T + 1.4}

V_b - Speed of Slow moving vehicle?OSD - Overtaking Sight Distance on road?V - Speed of Fast moving Vehicle?T - Time taken for Overtaking Operation?l - Length of Wheel Base as per IRC?t_r - Reaction Time of Driver?

Speed of Slow Vehicle using OSD Example

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Here is how the Speed of Slow Vehicle using OSD equation looks like with Values.

Here is how the Speed of Slow Vehicle using OSD equation looks like with Units.

Here is how the Speed of Slow Vehicle using OSD equation looks like.

11.2143 = \frac{278 - 18 \cdot 7.8 - 2 \cdot 6}{2 + 7.8 + 1.4}

11.2143m/s = \frac{278m - 18m/s \cdot 7.8s - 2 \cdot 6m}{2s + 7.8s + 1.4}

11.2143 = \frac{278 - 18 \cdot 7.8 - 2 \cdot 6}{2 + 7.8 + 1.4}

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Speed of Slow Vehicle using OSD Solution

Follow our step by step solution on how to calculate Speed of Slow Vehicle using OSD?

FIRST Step Consider the formula

V b = \frac{OSD - V \cdot T - 2 \cdot l}{t r + T + 1.4}

Next Step Substitute values of Variables

∴

V b = \frac{278m - 18m/s \cdot 7.8s - 2 \cdot 6m}{2s + 7.8s + 1.4}

Next Step Prepare to Evaluate

∴

V b = \frac{278 - 18 \cdot 7.8 - 2 \cdot 6}{2 + 7.8 + 1.4}

Next Step Evaluate

∴

V b = 11.2142857142857m/s

LAST Step Rounding Answer

∴

V b = 11.2143m/s

Speed of Slow Vehicle using OSD Formula Elements

Variables

Speed of Slow moving vehicle

Speed of Slow moving vehicle is the speed of vehicle which has to be overtaken.

Symbol: V_b

Measurement: SpeedUnit: m/s

Note: Value should be greater than 5.

Formulas to find Speed of Slow moving vehicle

Overtaking Sight Distance on road

Overtaking Sight Distance on road is minimum distance open to the vision of the driver of a vehicle intending to overtake slow moving vehicle with safety.

Symbol: OSD

Measurement: LengthUnit: m

Note: Value should be greater than 5.

Formulas to find Overtaking Sight Distance on road

Speed of Fast moving Vehicle

Speed of Fast moving Vehicle is the speed of overtaking vehicle.

Symbol: V

Measurement: SpeedUnit: m/s

Note: Value should be greater than 5.

Formulas to find Speed of Fast moving Vehicle

Time taken for Overtaking Operation

Time taken for Overtaking Operation is the time taken by fast moving vehicle to overtake the slow moving vehicle.

Symbol: T

Measurement: TimeUnit: s

Note: Value should be greater than 1.5.

Formulas to find Time taken for Overtaking Operation

Length of Wheel Base as per IRC

Length of Wheel Base as per IRC is the distance between the center of the front wheels and the center of the rear wheels.

Symbol: l

Measurement: LengthUnit: m

Note: Value should be greater than 2.

Formulas to find Length of Wheel Base as per IRC

Reaction Time of Driver

Reaction Time of Driver is the time taken by the driver from the instant the object is visible to the driver to the instant when the brakes are applied.

Symbol: t_r

Measurement: TimeUnit: s

Note: Value should be between 1 to 10.

Formulas to find Reaction Time of Driver

Other formulas in OSD category

Go Velocity of Overtaking Vehicle for Forward Moving Vehicle Velocity in meter per second

V = V b + 4.5

Go Total Time of Travel in Overtaking Sight distance

T = \sqrt{4 \cdot \frac{s}{a}}

Go Spacing between Vehicles given Total Time of Travel in Overtaking Sight distance

s = \frac{(T^{2}) \cdot a}{4}

Go Acceleration of Vehicle given Total Time of Travel in Overtaking Sight distance

a = \frac{4 \cdot s}{T^{2}}

How to Evaluate Speed of Slow Vehicle using OSD?

Speed of Slow Vehicle using OSD evaluator uses Speed of Slow moving vehicle = (Overtaking Sight Distance on road-Speed of Fast moving Vehicle*Time taken for Overtaking Operation-2*Length of Wheel Base as per IRC)/(Reaction Time of Driver+Time taken for Overtaking Operation+1.4) to evaluate the Speed of Slow moving vehicle, Speed of Slow Vehicle using OSD is used to find the speed of the vehicle that has to be overtaken by fast moving vehicle when OSD is given. Speed of Slow moving vehicle is denoted by V_b symbol.

How to evaluate Speed of Slow Vehicle using OSD using this online evaluator? To use this online evaluator for Speed of Slow Vehicle using OSD, enter Overtaking Sight Distance on road (OSD), Speed of Fast moving Vehicle (V), Time taken for Overtaking Operation (T), Length of Wheel Base as per IRC (l) & Reaction Time of Driver (t_r) and hit the calculate button.

FAQs on Speed of Slow Vehicle using OSD

What is the formula to find Speed of Slow Vehicle using OSD?

The formula of Speed of Slow Vehicle using OSD is expressed as Speed of Slow moving vehicle = (Overtaking Sight Distance on road-Speed of Fast moving Vehicle*Time taken for Overtaking Operation-2*Length of Wheel Base as per IRC)/(Reaction Time of Driver+Time taken for Overtaking Operation+1.4). Here is an example- 11.21429 = (278-18*7.8-2*6)/(2+7.8+1.4).

How to calculate Speed of Slow Vehicle using OSD?

With Overtaking Sight Distance on road (OSD), Speed of Fast moving Vehicle (V), Time taken for Overtaking Operation (T), Length of Wheel Base as per IRC (l) & Reaction Time of Driver (t_r) we can find Speed of Slow Vehicle using OSD using the formula - Speed of Slow moving vehicle = (Overtaking Sight Distance on road-Speed of Fast moving Vehicle*Time taken for Overtaking Operation-2*Length of Wheel Base as per IRC)/(Reaction Time of Driver+Time taken for Overtaking Operation+1.4).

Can the Speed of Slow Vehicle using OSD be negative?

No, the Speed of Slow Vehicle using OSD, measured in Speed cannot be negative.

Which unit is used to measure Speed of Slow Vehicle using OSD?

Speed of Slow Vehicle using OSD is usually measured using the Meter per Second[m/s] for Speed. Meter per Minute[m/s], Meter per Hour[m/s], Kilometer per Hour[m/s] are the few other units in which Speed of Slow Vehicle using OSD can be measured.

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Speed of Slow Vehicle using OSD Formula

Speed of Slow Vehicle using OSD Example

Speed of Slow Vehicle using OSD Solution

Speed of Slow Vehicle using OSD Formula Elements

Other formulas in OSD category

How to Evaluate Speed of Slow Vehicle using OSD?

FAQs on Speed of Slow Vehicle using OSD

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