Asked by paramartha

a person moves 30 m north , then 20 m east and finally 30 root 2 south west what is his displacement from the original position
Answered by Henry
Disp. = 30i + 20 + 30*sqrt2[225o]
Diep. = 30i + 20 + -30-30i = -10m = 10m West.

For a different approach, see Related Questions: Sun, 7-29-12, 11:05 AM.



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