Home
Class 12
PHYSICS
A person aiming to reach the exactly opp...

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

1 `m//s`

B

0.5 `m//s`

C

0.25 `m//s`

D

0.433 `m//s`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

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 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 person, reaches a point directly opposite on the other bank of a flowing river, while swimming at a speed of 5 m/s at an angle of 120^(@) with the flow. The speed of the flow must be

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

A swimmer wishes to reach directly opposite point on the other bank of a river,flowing with velocity 4sqrt(2)m/s .The swimmer can swim with 8m/s in still water.The angle with the flow direction he should swim to reach the directly opposite point is (A) 45^(0) (B) 90^(0) (C) 135^(0) (D) 150^(0)

A man who can swin at the rate of 2 (km)/hr) (in still river) crosses a river to a point exactly opposite on the other bank by swimming in a direction of 120^@ to the flow of the water in the river. The velocity of the water current in (km)/(hr) 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)

A person reaches on a point directly opposite on the other bank of a river.The velocity of the water in the river is 4 m//s and the velocity of the person in still water is 5 m//s .If the width of the river is 84.6m , time taken to cross the river in seconds is

A person is swimming with a speed of 10 m/s at an angle of 120° with the flow and reaches to a point directly opposite on the other side of the river. The speed of the flow is 'x m/s. The value of 'x to the nearest integer is_________.

A launch travels across a river from a point A to a point B of the opposite bank along the line AB forming angle prop with the bank. The flag on the mast of the launch makes an angle beta with its direction of motion. Determine the speed of the launch w.r.t. the bank. The velocity of wind is u perpendicular to the stream. .

DISHA-VECTORS-Physics
  1. As shown in figure the tension in the horizontal cord is 30 N. The wei...

    Text Solution

    |

  2. A boat is moving with a velocity 3 hat i+ 4hat j with respect to groun...

    Text Solution

    |

  3. A person aiming to reach the exactly opposite point on the bank of a s...

    Text Solution

    |

  4. A man can swim with velocity v relative to water. He has to cross a ri...

    Text Solution

    |

  5. A 120 m long train is moving towards west with a speed of 10 m//s. A b...

    Text Solution

    |

  6. What is the value of linear velocity, if vecomega=3hati-4hatj+hatk and...

    Text Solution

    |

  7. If |vec(A)xxvec(B)|=sqrt(3)vec(A).vec(B), then the value of |vec(A)+ve...

    Text Solution

    |

  8. Find the torque of a force vecF= -3hati+hatj+5hatk acting at the poin...

    Text Solution

    |

  9. if|vecAxxvecB|=|vecA.vecB|, then angle between vecA and vecB will be

    Text Solution

    |

  10. The vector vecP=ahatt+ahatj+3hatj and vecQ=ahati-2hatj-hatk, are perpe...

    Text Solution

    |

  11. A particle moves from position 3hatj+2hatj-6hatk to 14hatj+13hatj+9hat...

    Text Solution

    |

  12. The three vectors vecA=3hati-=2hatj+khat,vecB=hati-3hatj+5hatk and ve...

    Text Solution

    |

  13. Two forces vecF(1)=5hati+10hatj-20hatk and vecF(2)=10hati-5hatj-15hatk...

    Text Solution

    |

  14. With respect to a rectangular Cartesian coordinate system, three vecto...

    Text Solution

    |

  15. A boy walks uniformly along the sides of a rectangular park of size 40...

    Text Solution

    |

  16. The three vectors vecA=3hati-2hatj-hatk,barB=hati-3hatj+5hatk and barC...

    Text Solution

    |

  17. If for two vectors vecA and vecB,vecA xx vecB = 0, which of the follo...

    Text Solution

    |

  18. The unit vector perpendicular to vecA is

    Text Solution

    |

  19. The unit vector parallel to vecA is

    Text Solution

    |

  20. The unit vector perpendicular to vecB is

    Text Solution

    |