Home
Class 10
MATHS
The angle of elevation of an aeroplane f...

The angle of elevation of an aeroplane from a point A on the ground is `60^@`. After a flight of 30 seconds, the angle of elevation changes to `30^@`. If the aeroplane is flying at a constant height of `3600 sqrt 3 metres` find the speed of the aeroplane.

Promotional Banner

Topper's Solved these Questions

  • COORDINATE GEOMETRY

    AGRAWAL PUBLICATION|Exercise EXAMPLE|70 Videos
  • PAIR OF LINEAR EQUATIONS IN TWO VARIABLES

    AGRAWAL PUBLICATION|Exercise EXAMPLE|54 Videos

Similar Questions

Explore conceptually related problems

The angle of elevation of an aeroplane from a point P on the ground is 60^(@). After a flight of 15 seconds,the angle of elevation changes to 30^(@). If the aeroplane is flying at a constant height of 1500sqrt(3)m, find the speed of the aeroplane

The angle of elevation of a jet plane from a point A on the grund is 60^(@). After and flight of 30 seconds,the angle of elevation changes to 30^(@). If the jet plane is flying at a constant height of 3600sqrt(3)m, find the speed of the jet plane.

The angle of elevation of an airplane from a point on the ground is 60^(@) . After a flight of 30 seconds, the angle of elevation becomes 30^(@) . If the airplane is flying at a constant height of 3000sqrt(3) m, find the speed of the airplane.

The angle of elevation of a jet plane from a point A on the ground is 60o .After a flight of 30 seconds,the angle of elevation changes to 30o. If the jet plane is flying at a constant height of 3600sqrt(3)m, find the speed of the jet plane.

The angle of elevation of an aeroplane from a point P on the ground is 60. After a flight of 15 seconds,the angle of elevation changes to 30 . If the aeroplane is flying at a constant height of 15003m, find the speed of the aeroplane.

The angle of elevation of an aeroplane from a point on the ground is 60^(@) .After flying for 30 seconds ,the angle of elevation changes to 30^(@) .If the aeroplane is flying at a height of 1500sqrt(3) metre , then what is the speed (in m/s) of aeroplane?

The angle of elevation of a jet plane from a point A on the ground is 60^(@). After a flight of 15 seconds,the angle of elevation changes to 30^(@). If the jet plane is flying at a constant height of 1500sqrt(3) meter,find the jet plane.(sqrt(3)=1.732)

The angle of elevation of an aeroplane from a point on the ground is 60^(@) . After flying for 30 seconds, the angle of elevation charges to 30^(@) . If the aeroplane is flying at a height of 4500 m, then what is the speed (in m/s) of aeroplane

The angle of elevation of the top of a building from the foot of the tower is 60^(@) . After a flight of 15 seconds, the angle of elevation changes to 30^(@) . If the aeroplane is flying at a constant height of 1500sqrt3 m find the speed of the plane in km/hr.

The angle of elevation of an aeroplane from a point on the ground is 60^@ . After flying for 30 seconds, the angle of elevation changes to 30^@ . If the aeroplane is flying at a height of 4500 m,then what is the speed (in m/s) of aeroplane? मैदान पर एक बिन्दु से एक हवाई जहाज का उन्नयन कोण 60^@ है। 30 सेकण्ड उड़ने के पश्चात कोण 30^@ में परिवर्तित हो जाता हे। यदि हवाई जहाज 4500 मी. की ऊँचाई पर उड़ रहा है, तो हवाई जहाज की गति (मी./से. में) क्या है?

AGRAWAL PUBLICATION-INTRODUCTION TO TRIGNOMETRY AND ITS APPLICATIONS-EXAMPLE
  1. A boy standing on a horizontal plane find that angle of elevation of a...

    Text Solution

    |

  2. If sin theta + cos theta = p and sec theta + cosec theta = q, then pro...

    Text Solution

    |

  3. The angle of elevation of an aeroplane from a point A on the ground is...

    Text Solution

    |

  4. Prove that: [(1 + cot theta + tan theta)(sin theta - cos theta)]/(sec^...

    Text Solution

    |

  5. If sec theta + tan theta = m, show that (m^2 - 1)/(m^2 + 1)= sin theta...

    Text Solution

    |

  6. A moving boat is observed from the top of a 150 m high cliff moving aw...

    Text Solution

    |

  7. A ladder rests against a vertical wall at an inclination alpha to the ...

    Text Solution

    |

  8. There are two poles, one each on either bank of a river just opposite ...

    Text Solution

    |

  9. Amit, standing on a horizontal plane, finds a bird flying at a distanc...

    Text Solution

    |

  10. Prove that: (tan theta)/(1 - cot theta) + (cot theta)/(1 - tan theta) ...

    Text Solution

    |

  11. The lower window of a house is at a height of 2 m above the ground and...

    Text Solution

    |

  12. Prove that: (sin theta)/(cot theta + cosec theta) = 2 + (sin theta)/(c...

    Text Solution

    |

  13. Prove that (sin A - cos A + 1)/(sin A + cos A - 1) = 1 /(sec A - tan A...

    Text Solution

    |

  14. A man in a boat rowing away form a light house 100 m hight takes 2 min...

    Text Solution

    |

  15. Two poles of equal heights are standing opposite each other on either ...

    Text Solution

    |

  16. The shadow of a tower at a time is three times as long as its shadow w...

    Text Solution

    |

  17. Prove that: (sin A - 2sin^3 A )/(2 cos^3 A - cos A) = tan A

    Text Solution

    |

  18. A straight highway leads to the foot of a tower. A man standing on its...

    Text Solution

    |

  19. The angle of elevation of a cloud from a point 60 m above the surface ...

    Text Solution

    |

  20. From a point P on the ground, the angles of elevation of the top of a ...

    Text Solution

    |