Home
Class 11
PHYSICS
A river is flowing from W to E with a sp...

A river is flowing from W to E with a speed of 5 m/min. A man can swim in still water with a velocity 10 m/min. In which direction should the man swim so as to take the shortest possible path to go to the south?

A

`30^@` with downstream

B

` 60^@` with downstream

C

`120^@` with downstream

D

South

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MEASUREMENTS

    TARGET PUBLICATION|Exercise EVALUATION TEST|17 Videos

  • OPTICS

    TARGET PUBLICATION|Exercise EXERCISE|447 Videos

Similar Questions

Explore conceptually related problems

A river is flowing from west to eat at a speed of 4 m/min. In what direction should a man on the south bank of the river, capable of swimming at 8 m/min in still water, swim to cross the river in the shortest time?

The speed of boat is 5 km/hr 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

The speed of swimmer in still water is 20 m/s. The speed of river water is 10 m/s and is flowing due east. If he is standing on the south bank and wishes to cross the river along the shortest path, the angle at which he should make this strokes w.r.t.north is given by:

TARGET PUBLICATION-Motion in a plane-Exercise
  1. A scooter going towards east at 10 m s^-1 turns right through an angle...

    Text Solution

    |

  2. A river is flowing from west to eat at a speed of 4 m/min. In what dir...

    Text Solution

    |

  3. A river is flowing from W to E with a speed of 5 m/min. A man can swim...

    Text Solution

    |

  4. In a projectile motion, the velocity vector of the projectile is

    Text Solution

    |

  5. Two bullets are fired simultaneously horizontally and with different s...

    Text Solution

    |

  6. At the highest point of the path of a projectile,

    Text Solution

    |

  7. The velocity at the highest point of a projectile proiected 60^@ or w...

    Text Solution

    |

  8. A bomber plane moves horizontally with a speed of 500 m/s and a bomb r...

    Text Solution

    |

  9. The equation of motion of a projectile are given by x= 36 t metre and...

    Text Solution

    |

  10. A body thrown with an initial speed of 96 ft/s reaches the ground aft...

    Text Solution

    |

  11. A bomb is fired from a cannon with a velocity of 1000 m/s making an an...

    Text Solution

    |

  12. A projectile can have the same range R for two angles of projection. I...

    Text Solution

    |

  13. Neglecting the air resistance, the time of flight of a projectile is d...

    Text Solution

    |

  14. A stone thrown at an angle to theta with the horizontal reaches a maxi...

    Text Solution

    |

  15. If the range of a gun which fires a shell with muzzle speed v is R, th...

    Text Solution

    |

  16. A boy playing on the roof of 10 m high building throws a ball with a s...

    Text Solution

    |

  17. A particle covers 50 m distance when projected with an initial speed. ...

    Text Solution

    |

  18. The acceleration due to grivity on the planet A is 9 times the acceler...

    Text Solution

    |

  19. In a projectile motion, velocity at maximum height is

    Text Solution

    |

  20. A ball thrown by one player reaches the other in 2 s. The maximum heig...

    Text Solution

    |