Home
Class 11
PHYSICS
An aeroplane is heading north east at a ...

An aeroplane is heading north east at a speed of `141.4ms^(-1)`. The north ward component of its velocty is

A

`141.4ms^(-1)`

B

`100ms^(-1)`

C

zero

D

`50ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B

`141.4sin 45^(@)`
Promotional Banner

Topper's Solved these Questions

  • VECTORS

    NARAYNA|Exercise LEVEL-II (H.W)|14 Videos
  • VECTORS

    NARAYNA|Exercise LEVEL-II (C.W)|16 Videos
  • UNITS AND MEASUREMENTS

    NARAYNA|Exercise STATEMENT TYPE QUESTION|23 Videos
  • WAVES

    NARAYNA|Exercise Exercise-IV|56 Videos

Similar Questions

Explore conceptually related problems

A ship is sailing due north at a speed of 1.25 ms^-1 . The current is taking it towards east at the rate of 2 ms^-1 . and a sailor is climbing a vertical pole in the ship at the rate of 0.25 ms^-1 . Find the magnitude of the velocity of the sailor with respect to ground.

A 10 m long horizontal wire extends from North east to South East. It is falling with a speed of 5.0 ms^(-1) , at right angles to the horizontal component of the earth's magnetic field, of 0.3xx10^(-4)Wb//m^(2) . The value of the induced emf in wire is :

An aeroplane has to go from a point O to another point A, at distance d due 37^(@) East of North. A wind is blowing due North at a speed of 10 ms^(-1) . The air speed of the plane is v. (i) Find the direction in which the pilot should head the plane to reach the point A. (ii) Find the time taken by the plane to go from O to A.

A ship is steaming towards east with a speed of 8 m/s. A women runs across the deck at a speed of 6 ms^(-1) towards north. What is the velocity of the women relative to the sea ?

Ram moves in east direction at a speed of 6 m/s and Shyam moves 30^(@) east of north at a speed of 6 m/s. The magnitude of their relative velocity is

An aeroplne A is flying horizontally due east at a speed of 400 km//hr .Passengers in A , observe another aeroplane B moving perpendicular to direction of motion of A .Aeroplane B is actually moving in a direction 30^(@) north of east in the same horizontal plane as shown in the figure.Determine the velocity of B

A body of mass 2kg is moving towards east with a uniform speed of 2ms^(-1) . A force of 3N is applied to it towaeds north. The magnitude of the displacement of the body 2s after the application of force is.

A particle of mass 10 kg moving eastwards with a speed 5 ms^(-1) collides with another particle of the same mass moving north-wards with the same speed 5 ms^(-1) .The two particles coalesce on collision.The new particle of mass 20 kg will move in the north-east direction with velocity

NARAYNA-VECTORS-LEVEL-I (H.W)
  1. A car moves 40 m due east and turns towards north and moves 30 m then ...

    Text Solution

    |

  2. A bird moves in such a way that if has a displacement of 12 m towards ...

    Text Solution

    |

  3. An aeroplane is heading north east at a speed of 141.4ms^(-1). The nor...

    Text Solution

    |

  4. The unit vector parallel to the resultant of the vectors vecA=4hati+3h...

    Text Solution

    |

  5. The vector parallel to 4hati-3hatj+5hatk and whose length is the arith...

    Text Solution

    |

  6. The direction consines of a vector vecA are cos alpha=(4)/(5sqrt(2)), ...

    Text Solution

    |

  7. Given two vectors vecA=hati-2hatj-3hatk and vecB=4hati-2hatj+6hatk. Th...

    Text Solution

    |

  8. To go from town A to town B a plane must fly about 1780 km at an angle...

    Text Solution

    |

  9. A vector hati+sqrt(3)hatj rotates about its tail through an angle 60^(...

    Text Solution

    |

  10. If veca=2hati+6hatj+mhatk and vecb=nhati+18hatj+3hatk are parallel to ...

    Text Solution

    |

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

    Text Solution

    |

  12. A motor boat is going in a river with a velocity vec(V) = (4 hat i-2 h...

    Text Solution

    |

  13. The angle between the two vectors -2hati+3hatj-hatk and hati+2hatj+4ha...

    Text Solution

    |

  14. If a vector vecA=2hati=2hatj+3hatk, and vecB=3hati=6hatj+nhatk, are pe...

    Text Solution

    |

  15. A vector parallel to the vector (hati+2hatj) and having magnitude 3sqr...

    Text Solution

    |

  16. If vecA=5hati-2hatj+3hatk and vecB=2hati+hatj+2hatk, component of vecB...

    Text Solution

    |

  17. If the vectors vecA=ahati+hatj-2hatk and vecB=ahati-ahatj+hatk are per...

    Text Solution

    |

  18. When a force (8hati+4hatj) newton displaces a particle through (3hati-...

    Text Solution

    |

  19. If veca and vecb are two unit vectors and the angle between them is 60...

    Text Solution

    |

  20. If vecF=2hati+3hatj-hatk and vecr=hati-hatj+6hatk find vecrxxvecF

    Text Solution

    |