Submission & Rubric Description For Problems 1 - 3, sketch a position vs time graph that matches the described situation. 1. Fred is visiting his friend's house (xo = 16 m). At time t1, Fred starts driving home, but then remembers his car needs gas. At time to, he stops at the gas station halfway between his house (x=0) and his friend's house. After fueling up, at time to, Fred continues driving home. (Fred can be driving at an arbitrary speed.)