MathDB
nice [physical geometry]

Source: Iran 2004

September 28, 2004
geometryvectorcalculusderivativeAsymptoteanalytic geometrygraphing lines

Problem Statement

This problem is easy but nobody solved it. point AA moves in a line with speed vv and BB moves also with speed v′v' that at every time the direction of move of BB goes from AA.We know v≥v′v \geq v'.If we know the point of beginning of path of AA, then BB must be where at first that BB can catch AA.
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