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A swimmer jumps from a bridge over a canal and swims 1km upstream. After that first km, he passes a floating cork.He continues swimming for half an hour and then turnsaround and swims back to the bridge. The swimmer andthe cork reach the bridge at the same time. The swimmerhas been swimming at a constant speed. How fast doesthe water in the canal flow ? |
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Answer» how did you get the second equation |
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