Home
Class 12
PHYSICS
A man can swim at a speed 2ms^(-1) in st...

A man can swim at a speed `2ms^(-1)` in still water. He starts swimming in a river at an angle `150^(@)` with direction of flow of water and reaches at the exactly oppsite point on the opposite bank.
(a) Find the speed of flowing water.
(b) If width of river is 1 km then calculate the time taken also

Text Solution

Verified by Experts

The correct Answer is:
(a) `sqrt(3)ms^(-1)` (b) 1000s.
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A PALNE

    ALLEN|Exercise EXERCISE-1|99 Videos
  • MOTION IN A PALNE

    ALLEN|Exercise EXERCISE-2|170 Videos
  • KINEMATICS-2D

    ALLEN|Exercise Exercise (O-2)|48 Videos
  • NEWTON'S LAWS OF MOTION & FRICTION

    ALLEN|Exercise EXERCISE (JA)|4 Videos

Similar Questions

Explore conceptually related problems

A person aiming to reach exactly opposite point on the bank of a stream is swimming with a speed of 0.6 m/s at an angle of 120^(@) with the direction of flow of water . The speed of water in the stream is

A boat man can rown with a speed of 10 km h^(-1) in still water. If the river flows steadily at 5 km //h , in which direction showld the boatman row in order to reach a point on the other bank directly opposite to the point from wher he stared ? The width of the river is 2km .

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 man can swim in still water at a speed of 6 kmph and he has to cross the river and reach just opposite point on the other bank.If the river is flowing at a speed of 3 kmph ,and the width of the river is 2km , the time taken to cross the river is (in hours)

Person aiming to reach the exactly opposite point on the bank of a stream is swimming with a speed of 0.5ms^(-1) at an angle of 120^(@) with the direction of flow of water.The speed of water in the stream is

A man can swin with speed 6 km/h in still water. If he tries of swim across a river flowing with speed 5km/h, how fast does a leaf floating on water appears to go , to the man ?

A man can swim at a speed of 3 km/h in still water. He wants t cross a 500 m wide river flowing at 2 km/h. He flow at an angle of 120 with the river flow while swimming. A. Find the time he takes to cross the river. b.At what point on the opposite bank will he arrive?

A man swims across a river with speed of 5 km h^(-1) ( in still water). While a boat goes upstream with speed 12 km h^(-1) ( in still water). How fast and in which direction does, the man appear to go to the boatman ? Given that the speed of flowing water is 2 km h^(-1)

A person aiming to reach the exactly opposite point on the bank of a stream is swimming with a speed of 0.5(m)/(s) at an angle of 120^@ with the direction of flow of water. The speed of water in the stream is

A man swim at an angle theta=120^(@) to the direction of water flow with a speed V_(mw) =5 km/hr relative to water.If the speed of water V_(w) =3 km/hr, Find the speed of the man.

ALLEN-MOTION IN A PALNE-SOLVED EXAMPLE
  1. A man can swim at a speed 2ms^(-1) in still water. He starts swimming ...

    Text Solution

    |

  2. A particle thrown over a triangle from one end of a horizontal base fa...

    Text Solution

    |

  3. A projectile is fired horizontally with a velocity of 98 ms^(-1) from ...

    Text Solution

    |

  4. Two tall buildings face each other and are at a distance of 180 m from...

    Text Solution

    |

  5. Two paper screens A and B are separated by a distance of 100m. A bulle...

    Text Solution

    |

  6. A ball rolls off top of a stair case with horizontal velocity u (m)/(s...

    Text Solution

    |

  7. A football player kicks a ball at ball at an angle of 30 ^(0) with the...

    Text Solution

    |

  8. A cricketer can throw a ball to a maximum horizontal distance of 100 m...

    Text Solution

    |

  9. A ball is thown at angle theta and another ball is thrown at angle (90...

    Text Solution

    |

  10. Two bodies are thrown with the same initial speed at angles alpha and ...

    Text Solution

    |

  11. The range of a projectile launched at an angle of 15^(@) with horizont...

    Text Solution

    |

  12. A ball of mass (m) is thrown vertically up. Another ball of mass 2 m ...

    Text Solution

    |

  13. A body is projectd with the velcity (U1) from the point (A) as shown...

    Text Solution

    |

  14. An aeroplane is flying at a constant height of 1960 m with speed 600 k...

    Text Solution

    |

  15. A body is projected up such that its position vector varies with time ...

    Text Solution

    |

  16. Two particles A and B are projected simultaneously in the directins sh...

    Text Solution

    |

  17. Two bodies were thrown simultaneously from the same point, one straigh...

    Text Solution

    |

  18. Two particles are projected from the two towers simultaneously, as sho...

    Text Solution

    |

  19. A projectile is thrown with speed u making angle theta with horizontal...

    Text Solution

    |

  20. A particle has an initial velocity (6hati+8hatj) ms^(-1) and an accele...

    Text Solution

    |

  21. A particle travels according to the equation y=x-(x^(2)/(2)). Find the...

    Text Solution

    |