Question

You notice a one-dimensional-thinking snail crawling along one rail of a railroad track. Naturally, you move it to a safer place. But before you do, you observe it as it moves from position ?i=−91.7 cm to position ?f=−57.7 cm along the rail, as measured from a nearby joint between two segments of rail. What is the snail's displacement Δ? in centimeters?

Answer 1