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An ant is at the vertex of cube of side 'A' .It is moving with constant speed 'U'.The minimum time taken by ant to cover the maximum displacement with in the cube is-

An ant is at the vertex of cube of side 'A' .It is moving with constant speed 'U'.The minimum time taken by ant to cover the maximum displacement with in the cube is-


 

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1 Answers

Badiuddin askIITians.ismu Expert
148 Points
14 years ago

Dear rahul

 

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minimum time take by ant when it moves in straight line along AB

minimum distance = √(2a)2 +a2

                                   =a√5

so time taken =a√5/U

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