Asked by jeny

a child walks 5m south then 12m east He again walks 5m north what is his displacement
Answered by oobleck
5mS and 5m N cancel each other.
So, all that's left is the distance east.

Plot the route on some graph paper to see this.
Answered by henry2,
D = -5i+12+5i = 12+0 = 12 m.
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