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JEE Main & Advanced Physics Vectors Question Bank Critical Thinking

  • question_answer
    A man crosses a 320 m wide river perpendicular to the current in 4 minutes. If in still water he can swim with a speed 5/3 times that of the current, then the speed of the current, in m/min is                                                   [Roorkee 1998]

    A)             30  

    B)             40

    C)                 50          

    D)                 60

    Correct Answer: D

    Solution :

       


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