At the scene of a car accident, the forensic investigator measured the skid marks from one of the vehicles to be 83 m long. He also knows the typical acceleration for a car when you slam on the brakes is -4mps2 The speed limit for this area is 100 km/hr (about 28 m/s) . Was the car speeding before it hit the brakes?
Was the car speeding before it hit the brakes?
What was the cars velocity before hitting the breaks? (Round to second decimal place) m/s2