# What calculations do car accident investigators use?

## What calculations do car accident investigators use?

Accident investigators are hired by insurance companies to calculate the rate of speed during vehicle crashes, reconstruct the accident and interview witnesses and vehicles drivers under oath. Calculating rate of speed involves measuring skid marks and calculating the speed of each vehicle involved in the crash.

How do you calculate the speed of a car accident?

How Do I Calculate Speed and Distance in a Car Accident Case? The formula for speed and distance is the same for a car as any other object: distance ÷ time. So if you want to calculate the speed of a car at sixty miles an hour, the math is (60 x 5280) ÷ (60 x 60) = 88 feet per second.

How do you do a crash investigation?

How to Conduct an Accident Investigation

1. Step 1: Assess the Injury.
2. Step 2: Obtain Medical Treatment if Necessary.
3. Step 3: Interview Injured Employee and Witness(es)
4. Step 4: Observe Accident Scene and Analyze the Facts.
5. Step 5: File a Workers’ Compensation Claim.
7. Step 7: Corrective Action.

### Why do we investigate aircraft accidents?

Why do we investigate? To effectively discover the hazards that led to the accident and to prevent their recurrence in a future accident or incident.

Can you tell how fast a car was going after an accident?

A minor dent may indicate that a driver was traveling at low speed or that the driver had nearly enough time to finish braking. Severe damage can tell investigators how fast a vehicle may have been traveling or how hard the car was hit.

What is the formula for skid marks?

fis a special number (called the coefficient of friction) that depends on the road surface and road conditions. S = ~30d(I.O) (dry tar road). For a wet tar road, f is about 0.5, so the formula is S = ~ 30d(0.5) (wet tar road). speed as a function of the length of the skid marks.

## At what speed does a car crash become fatal?

When a car is going slowly, the risk of serious injury is about 1%. At 50 mph, the risk increases to 69% for injury and the risk for serious injury increases to 52%. A fatal car accident is practically inevitable at speeds of 70 mph or more.

What is accident investigation in safety?

Accident investigation is the scientific and academic analysis of the facts that occurred during an accident. An investigation is conducted to identify the root cause of an accident in an effort to make recommendations or take corrective actions to prevent the future occurrence of the same or a similar event.

Who investigates a plane crash?

the NTSB
For safety investigations, the NTSB is the federal agency charged by Congress with investigating “each accident involving civil aircraft[,] and …