You are trying to cross the river that flows due west with a strong water current. Suppose that you are at the south bank of the river, and you want to get to the north bank via a motorboat. In what direction you aim your boat?
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You are trying to cross the river that flows due west with a strong water current. Suppose that you are at the south bank of the river, and you want to get to the north bank via a motorboat. In what direction you aim your boat?
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