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Grade:

                        

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-

10 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points
							

Dear rahul

 

6787-262_7662_untitled.JPG

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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Badiuddin

 

10 years ago
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