4-9 Accident Investigation Data Assignment

Ron’s car left four skid marks on the road after he slammed his foot on the brake pedal to make an emergency stop. The police measured them to be 55 ft, 55 ft, 62 ft, and 62 ft. What skid distance will be used when calculating the skid speed formula? (use formula on pg. 275)

• 62.3 feet

• 58.5 feet

• 45.8 feet

• 32.9 feet

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Jennie’s car left three skid marks on the road surface in her highway accident. They measured 35 ft, 38 ft, and 47 ft. What skid distance will be used when calculating the skid speed formula?

• 40 feet

• 50 feet

• 65 feet

• 38 feet

Tags

CCSS.6.SP.B.5

What is the definition of an "accident reconstructionist"?

• Person who personally constructs situation responsible for accidents.

• Person who is committed to the "reconstructionist" period of American History.

• Person who reconstructs a car after an accident.

• Person who interprets accident data with knowledge of crime-scene investigation and mathematics.

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.B.5

What is the definition of a "skid mark"?

• Mark that a tire leaves on the road when it is in a locked mode.

• Mark that indicates when a car accelerates into a parked car.

• Mark that lets the accident reconstructionist know who was responsible for the accident.

• Mark that the investigating officer will use to prosecute.

What is the definition of an "antilock brake system (ABS)?

• It does not allow the cars' steering system to move.

• It does not allow the cars' brakes to work.

• It does not allow the cars' computer system to control the brakes.

• It does not allow the cars' wheels to continuously lock.

What are "yaw marks"?

• Marks that spell "yaw".

• Tire marks that appear curved when car slips sideways.

• Tire marks created while "drifting".

• Tire marks created while accelerating from 0 to 60 mph.

What is the definition of braking efficiency?

• How effective your brakes are when you are "drifting".

• How effective your brakes are when you drive at night.

• How effective your brakes are stopped at a red light.

• How effective your brakes are when you lightly and heavily tap on them.

What is the definition of skid distance?

• A function of the number and lengths of the skid marks left at the scene.

• A function of the width and depth of the skid marks left at the scene.

• A function of the distance and height of the skid marks left at the scene.

• A function of how fast you were going when you left skid marks at the scene.