Hello, 1. The problem statement, all variables and given/known data You are driving along the New York State Thruway in a line of cars all travelling at a constant speed of 108.1 km/hr (Which I converted to 30.02 m/s). The car in front of you applies its brakes for maximum acceleration. You then apply your brakes to achieve the same maximum acceleration after only a 1 s delay due to reaction time. What distance behind the car in front of you must you be to avoid a collision? 2. Relevant equations How can I factor in the 1s delay on the time? All the equations for the problem are located here: http://www.glenbrook.k12.il.us/gbssci/phys/Class/1DKin/U1L6a1.gif [Broken] 3. The attempt at a solution I set the origin and my initial position to 0 for the car in front of you. I also had tried several times to figure out the acceleration.