A dog runs around the boundary of a square field of side 5m in 20 seconds.The displacement of dog after 1 minute is?

Asked by Nitin Joshi | 2nd Jul, 2013, 05:34: PM

Expert Answer:

1 minute = 60 s
 
After 60 s, the dog runs around the boundary 3 times and returns to its initial position.
Since, final position = initial position, so displacement = 0 m.

Answered by  | 3rd Jul, 2013, 06:43: AM

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