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JEE Main & Advanced Physics Vectors Question Bank Critical Thinking

  • question_answer
                The speed of a boat is 5 km/h in still water. It crosses a river of width 1 km along the shortest possible path in 15 minutes. The velocity of the river water is                     [IIT 1988; CBSE PMT 1998, 2000]

    A)             1 km/h

    B)                                         3 km/h

    C)             4 km/h

    D)                                         5 km/h

    Correct Answer: B

    Solution :

       


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