How do you calculate displacement on a graph

Explanation:

On a position vs time graph (x vs t), displacement is the difference in positions (Δx = x₂ − x₁).

On a velocity vs time graph (v vs t), displacement is the area under the graph (Δx = ∫ v dt).

iron would move it is magnetic there is a mag field around the current in the wire

if they have a finite resultant