Sat July 14, 2012 By:

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

Expert Reply
Sat July 14, 2012
FOr the given case, dog will take 5 sec to cover one side.
Thus in 60 sec he will cover 12 sides i.e he will cover the square 3 times.
hence the displacent will be 0 m
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