Thursday, April 15, 2010
Chasing Dogs
There are four dogs each at the corner of a unit square. Each of the dogs starts chasing the dog in the clockwise direction. They all run at the same speed and continuously change their direction accordingly so that they are always heading straight towards the other dog. How long does it take for the dogs to catch each other and where?
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they will catch each other at the centre of the square....have no clue to find out when they will catch each other
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