Crash Analysis:
The analysis of crash in this case will look at the speed of the vehicles, braking and any line of sight issues.
Conservation of Linear Momentum
Speed analysis in this case is determined by the use of several speed equations. The first equation is the use of the formula Conservation Of Linear Momentum. (COLM) COLM requires knowledge of the vehicles weights, approach and departure angles and post collision speeds of the vehicles. The vehicle weights were determined in this case by the use of the REC-TEC Accident Reconstruction Software Program.
The weight of Vehicles 1 and Vehicle 2 were determined in this case through the use of AutoStats Lite via the REC-TEC Professional Accident Reconstruction Software. I adjusted …show more content…
The right front tire was damaged due to the impact and was no longer free rolling. The remaining tires on Vehicle 2 were unaffected by the impact and remained free-rolling. By using the Equivalent Energy Speed Loss Equation with the adjustment for Vehicle 2 with its right front wheel no longer free rolling (.30), it was determined Vehicle 2 had a post collision speed loss of approximately 24.49 mph, from impact to its final rest, over the distance of approximately 88 feet.
By using the COLM formula with the aforementioned known information it was determined that Vehicle 1 was traveling approximately 45.30 miles per hour at impact. It was also determined that Vehicle 2 was travelling approximately 23.42 miles per hour at impact.
I then used a derivation of the COLM formula to calculate the change in velocity or speed of the vehicles during the collision. To calculate the change in velocity or speed requires knowledge of the velocity, and departure angles of each vehicle as well as the approach angle of Vehicle 2. By using this formula, it was determined that the change in velocity for Vehicle 1 was 62.74 fps (42. 77 mph) and the change in velocity for Vehicle 2 was 44.5 fps (30.34 mph.)
ATTACHMENTS:
Reconstruction
The analysis of crash in this case will look at the speed of the vehicles, braking and any line of sight issues.
Conservation of Linear Momentum
Speed analysis in this case is determined by the use of several speed equations. The first equation is the use of the formula Conservation Of Linear Momentum. (COLM) COLM requires knowledge of the vehicles weights, approach and departure angles and post collision speeds of the vehicles. The vehicle weights were determined in this case by the use of the REC-TEC Accident Reconstruction Software Program.
The weight of Vehicles 1 and Vehicle 2 were determined in this case through the use of AutoStats Lite via the REC-TEC Professional Accident Reconstruction Software. I adjusted …show more content…
The right front tire was damaged due to the impact and was no longer free rolling. The remaining tires on Vehicle 2 were unaffected by the impact and remained free-rolling. By using the Equivalent Energy Speed Loss Equation with the adjustment for Vehicle 2 with its right front wheel no longer free rolling (.30), it was determined Vehicle 2 had a post collision speed loss of approximately 24.49 mph, from impact to its final rest, over the distance of approximately 88 feet.
By using the COLM formula with the aforementioned known information it was determined that Vehicle 1 was traveling approximately 45.30 miles per hour at impact. It was also determined that Vehicle 2 was travelling approximately 23.42 miles per hour at impact.
I then used a derivation of the COLM formula to calculate the change in velocity or speed of the vehicles during the collision. To calculate the change in velocity or speed requires knowledge of the velocity, and departure angles of each vehicle as well as the approach angle of Vehicle 2. By using this formula, it was determined that the change in velocity for Vehicle 1 was 62.74 fps (42. 77 mph) and the change in velocity for Vehicle 2 was 44.5 fps (30.34 mph.)
ATTACHMENTS:
Reconstruction