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A pond 2 m in diameter is to be filled with water by a flow that...

A pond 2 m in diameter is to be filled with water by a flow that varies linearly with the level of the pond so that it reaches the maximum value of 217 lt/h when the pond is empty and is zero when the level reaches 2 m. Calculate: a) Time it takes to reach the level of 1 m. b) Time it takes to fill up completely. Discuss this last result.

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