A body moves 30m due north, 20m due east and 30 m due south west. The total displacement covered by body from its initial position is?

Question

rane · Answer

s = 30n - 20e- 30w
  = 10n - 30w
  = -20west

anonymous · Answer

the answer is 10m due west ...the problem is i dnt see how...

rane · Answer

r u sure its 10, the west part is right

anonymous · Answer

can u show a figure...how did you work that out?

rane · Answer

to calculate displacement u have to subtract all the directions, that the object have traveled to

anonymous · Answer

north - east is north?

anonymous · Answer

how do u find out the direction?

anonymous · Answer

but isnt tht north west?...the question says south west

anonymous · Answer

|dw:1374741478123:dw|