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A river is flowing with speed 3 km/hr we...

A river is flowing with speed 3 km/hr west to east. A man swims with speed 5 km/hr in still water. Man is at south bank of the river. Match the column-1 with direction of velocities of man w.r.t. ground in column-2

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The correct Answer is:
A-P; B-R; C-Q
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Knowledge Check

  • A river is flowing at a speed of 5 km/h in a particular direction. A man, who can swim at a speed of 20 km/h in still water, starts swimming along the direction of flow of the river from point A and reaches another point B which is at a distance of 30 km from the starting point A. On reaching point B, the man turns back and starts swimming against the direction of flow of the river and stops after reaching point A. The total time taken by the man to complete his journey is

    A
    2 h 30 min
    B
    3 h 12 min
    C
    3 h 30 min
    D
    3 h 45 min

  • A river is flowing at the rate of 6 km/hr. A swimmer swims across with a velocity of 9 km/hr w.r.t. water. The resultant velocity of the man will be in (km/hr):-

    A
    `sqrt(117)`
    B
    `sqrt(340)`
    C
    `sqrt(17)`
    D
    `3sqrt(40)`

  • A river is flowing with a speed of 1 km/hr. A swimmer wants to go to point C starting from A. He swims with a speed of 5km/hr. at an angle theta . W.r.t. the river flow. If AB=BC=400m at what angle with river tank shou ld swimmer swim?

    A
    `37^(@)`
    B
    `53^(@)`
    C
    `0^(@)`
    D
    `90^(@)`

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