Two cars head out in the similar direction. Car A starts 1.0 min before car B. The position-time graphs for both cars are shown in the accompanying figure.
a. How far apart are the two cars when car B starts out at t = 1.0 min?
0.75 km
b. At what time do the cars meet?
2.0 min
c. How far apart are the cars at time t = 3.0 min?