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Formula for the Speed of a Car from Skid Marks
Police officers can use the length of skid marks on the pavement to determine the speed of a car before the brakes were applied. If the length of the skid marks is feet, then the speed of the car in miles per hour can be found using the formula:
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Formula for the Speed of a Car from Skid Marks
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Example: Finding the Speed of a Car from Skid Marks
In the context of accident investigation, forensic teams use the length of skid marks on the pavement to estimate how fast a vehicle was traveling before the brakes were applied. If the length of the skid marks is feet, which of the following formulas is used to find the speed of the car in miles per hour?
A forensic accident investigator measures the length of skid marks on a road to be feet. To calculate the vehicle's speed in miles per hour right before the brakes were applied, the investigator uses the formula .
In the forensic formula , which is used by investigators to estimate a vehicle's speed from the length of skid marks, match each component of the formula with its correct definition or unit of measurement.
An accident investigator is training a new recruit on how to use physical evidence at a crash scene. To estimate a vehicle's speed from skid marks using the standard forensic formula, arrange the following steps in the correct logical order, starting with the first action taken.
Forensic Speed Calculation Formula