In coming to a stop, a car leaves skid marks 85m long on the highway. Assuming a deceleration of 3.0m/s/s , estimate the speed of the car just before braking.
Based on your question where a car leaves skid marks 85m long on the highway nad getting to stop. The deceleration of the car is 3m/s^2 to estimate the speed of the car just before braking first is to analyze the problem then apply the necessary formulas. the possible answer is 510m/s