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An ant runs from an ant-hill in a straight line so that its velocity is inversely proportional to the distance from the center of the ant-hill. When the ant is at point A at a distance l=1 m from the center of the ant-hill, its velocity is v=2 cm/s. what time will it take the ant to run from point A to point B which is at a distance l'= 2m from the center of the ant-hill? (in seconds)
The answer is 75.
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