A man can swim in still water with a speed of 2 ms^−1. If he wants to cross a river of water current speed 3 root ms^−1 along shortest possible path
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A man can swim in still water with a speed of 2 ms^−1. If he wants to cross a river of water current speed 3 root ms^−1 along shortest possible path, then in which direction should he swim? A man can swim in still water with a speed of 2 ms^−1. If he wants [...]