The winner of the drag race shown in Figure 3.3 was traveling with a speed of 140.3 m/s (313.9 mph) at the end of the quarter-mile course. The car started from rest and had an average acceleration of 30.4 m/s/s. What was the winning time for this race?

Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question