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    Extremely hard trigo prob: "Nathan is swimming across a river from A to B..."

    Yes, the current is negligible. Here is a representational image
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    Extremely hard trigo prob: "Nathan is swimming across a river from A to B..."

    Extremely hard trigo prob: "Nathan is swimming across a river from A to B..." Nathan is swimming across a river from A to B. He iscurrently at N, having swum 30 m. If he was to changecourse and head directly for the opposite bank, he will savehimself 20 m of swimming. Given that the river is 50...
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