# A dog runs along a straight railway track for one minute and covers 50m. The dog then runs back along the track for 4 minutes and covers a distance of 250 m . What is the displacement of the dog , if it runs initially towards west .pls answer the question fast plsss

2
by g2000

2014-08-10T20:44:07+05:30
The displacement of the dog is 200 meters towards east
thank you but i neded working also
2014-08-10T20:44:28+05:30

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Displacement vector is the vector joining initial position to final position.

Displacement towards west = 50 m    from point A  to  point B

Displacement toward east from B towards A and beyond A to point C
= 250 m

Final Displacement = - 250 + 50  meters in the direction of west
=  - 200 m towards West  or  200 m towards East

is it final displacement = 250 - 50?
diagram will help better
thank you