NOT learning with and j. please be as thorough with answer as possible

4. A car starting from rest moves in a straight line with a constant acceleration of 2.10 m/s2 for 13.0 s, then slows down to a stop with a constant deceleration of 2.60 m/s2. How far does it travel? meters 5. Two cars are traveling along a straight road. Car (A) maintains a constant speed of 86.0 km/h; car (B) maintains a constant speed of 111 km/h. At t = 0, car (B) is 30.0 km behind car (A). How long does it take before car (A) is overtaken by car (B)? hours