Displacement from the original position-person moves

Question-

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

Posted Date: 3/12/2014 6:42:23 PM | Location : United Kingdom(UK)

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