A hand steadily wiggles the left end of the string up and down. The figures below shows snapshots of the wave on the string at three instants in time (t1, t2, t3) as the wave travels to the right. The dot painted on the string is indicated at point 1. The pictures below show two possible physical situations. Three students argue about which picture is physically correct. Student A: "The bottom picture is correct, because the wave is traveling to the right. Since the wave and the string look exactly the same. the dot must move with the wave to the right. Student B: "The top picture is correct, because the wave is a disturbance of the string, not the string itself. As the wave travels to the right, the string moves up and down. Therefore, the dot moves up and down with the string." Student C: "Neither picture is correct. The string's position t G is at y=0 at point 1, which means the dot just sits there." Which student do you agree with? a.) Student A b.) Student B c.) Student C