A car in stop-and-go traffic starts at rest, moves forward 12 m in 8.0 s, then comes to rest again. The velocity-versus-time plot for this car is given in the figure.
a. What distance does the car cover in the first 4.0 seconds of its motion?
b. What distance does the car cover in the last 2.0 seconds of its motion?
c. What is the constant speed V that characterizes the middle portion of its motion?