Police use the formula v 20L to estimate the speed of a car

Last updated: 1/4/2023

Police use the formula v 20L to estimate the speed of a car v in miles per hour based on the length L in feet of its skid mark when suddenly braking on a dry asphalt road At the scene of an accident a police officer measure a car s skid marks to be 100 feet long Approximately how fast was the car traveling Round your answer to the nearest tenth one decimal place of a unit Answer The car was traveling at approximately miles per hour