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A person moves: What is the displacement from the original position?

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A person moves 30m north, then 20m east and then 30 H (square root 2) m 45 degrees south of west. His displacement from the original position is

a. 14m south west
b. 10m west
c. 28 m south
d. 15 m east

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Solution Summary

With the help of a diagram and calculations, the problem is solved.