Home
Class 10
MATHS
The angle of elevation of a jet plane...

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.

Promotional Banner

Topper's Solved these Questions

  • REAL NUMBERS

    RD SHARMA|Exercise All Questions|180 Videos
  • STATISTICS

    RD SHARMA|Exercise All Questions|230 Videos

Similar Questions

Explore conceptually related problems

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 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 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 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 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 a jet plane from a point A on the ground is 60^@ . After a flight of 20 seconds at the speed of 432 km//"hour" , the angle of elevation changes to 30^@ . If the jet plane is flying at a constant height, then its height is :

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 1500sqrt(3) metre , then what is the speed (in m/s) of aeroplane?

The angle of elevation of an aeroplane from a point on the ground is 45o .After a flight of 15 seconds,the elevation changes to 30o .If the aeroplane is flying at a height of 3000 metres, 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 charges to 30^(@) . If the aeroplane is flying at a height of 4500 m, then what is the speed (in m/s) of aeroplane

RD SHARMA-SOME APPLICATIONS OF TRIGONOMETRY-All Questions
  1. As observed from the top of a light house, 100m above sea level, th...

    Text Solution

    |

  2. From the top of a building 60m high the angles of depression of the...

    Text Solution

    |

  3. The angle of elevation of a jet plane from a point A on the grou...

    Text Solution

    |

  4. The angle of elevation of a cloud from a point 60 m above a lake i...

    Text Solution

    |

  5. There is a small island in the middle of a 100m wide river and a ta...

    Text Solution

    |

  6. A straight highway leads to the foot of a tower. A man standing at ...

    Text Solution

    |

  7. An aeroplane when flying at a height of 4000m from the ground passe...

    Text Solution

    |

  8. A tower stands vertically on the ground. From a point on the ground...

    Text Solution

    |

  9. The angle of elevation of a ladder leaning against a wall is 60o an...

    Text Solution

    |

  10. A ladder is placed along a wall of a house such that its upper end ...

    Text Solution

    |

  11. An electric pole is 10m high. A steel wire tied to top of the pole ...

    Text Solution

    |

  12. A kite is flying at a height of 75 metres from the ground level, at...

    Text Solution

    |

  13. A vertically straight tree, 15m high, is broken by the wind in such...

    Text Solution

    |

  14. A person observed the angle of elevation of the top of a tower as 30...

    Text Solution

    |

  15. The shadow of a tower, when the angle of elevation of the sun is 45...

    Text Solution

    |

  16. A parachutist is descending vertically and makes angles of elevatio...

    Text Solution

    |

  17. On the same side of a tower, two objects are located. When observed...

    Text Solution

    |

  18. A tree breaks due to storm and the broken part bends so that the to...

    Text Solution

    |

  19. From a point P on the ground the angle of elevation of a 10m tal...

    Text Solution

    |

  20. A 1.6m tall girl stands at a distance of 3.2m from a lamp-post and ...

    Text Solution

    |