Home
Class 11
PHYSICS
An artifical satellite revolves in the o...

An artifical satellite revolves in the orbit around the Earth without using any fuel. But an aeroplane requires fuel to fly at a centain height. Why ?

Promotional Banner

Topper's Solved these Questions

  • FLUIDS AT REST

    SL ARORA|Exercise Problem|19 Videos

  • FLUIDS AT REST

    SL ARORA|Exercise Problem for self practice|69 Videos

  • FLUIDS IN MOTION

    SL ARORA|Exercise All Questions|117 Videos

Similar Questions

Explore conceptually related problems

A satellite revolves around the earth in an elliptical orbit. Its speed is

An artificial satellite is moving in a circular orbit around the earth with a speed equal to half the magnitude of esacpe velocity from the earth the height of the satellite satellite above the earth surface will be

If an artificial satellite is moving in a circular orbit around earth with speed equal to one fourth of V_(e) from earth, then height of the satellite above the surface of the earth is

A satellite is revolving around the earth. Ratio of its orbital speed and escape speed will be.

An artificial satellite is revolving around the earth in a circular orbit. Its velocity is one-third of the escape velocity. Its height from the earth's surface is (in km )

SL ARORA-FLUIDS AT REST-Problem for self practice
  1. An artifical satellite revolves in the orbit around the Earth without ...

    Text Solution

    |

  2. A force of 40 N is applied on a nail , whose tip has an area of cross-...

    Text Solution

    |

  3. Atmospheric pressure is 1.01 xx 10^(5) Pa. How large a force does the ...

    Text Solution

    |

  4. The force on a Phonograph needle is 1.2 N. the point has a circular cr...

    Text Solution

    |

  5. A cylinderical vessel contaning liquid is closed by a smooth piston of...

    Text Solution

    |

  6. The cross-section of two piston in hydraulic press are 2cm^(2) "and" 1...

    Text Solution

    |

  7. The average mass that must be lifted by a hydraulic press is 80 "kg".I...

    Text Solution

    |

  8. In a hydraulic press used for compressing cotton the area of the pisto...

    Text Solution

    |

  9. An automobile sack is lifted by a hydraulic jack that consists of two ...

    Text Solution

    |

  10. What is the minimum pressure required to force blood from the heart to...

    Text Solution

    |

  11. A column of water 40 cm height supports a 30 cm column of an unknown l...

    Text Solution

    |

  12. If the water pressure gauge shows the pressure at ground floor to be 2...

    Text Solution

    |

  13. A cylinderical jar of cross-sectional area of 50 cm^(2) is filled with...

    Text Solution

    |

  14. Water is filled in a flask upto a height of 20cm. The bottom of the fl...

    Text Solution

    |

  15. The density of asir ner earth's surface is 1.3kgm^-3 and the atmospher...

    Text Solution

    |

  16. A vertical U-tube of uniform inner cross-section contains mercury in ...

    Text Solution

    |

  17. Two liquids of specific gravity 1.2 "and" 0.84 are poured into the l...

    Text Solution

    |

  18. The area of cross-section of the wider tube shown in fig., is 800cm^(2...

    Text Solution

    |

  19. A barometer kept in an elevator accelerating upwards reads 76 cm of Hg...

    Text Solution

    |

  20. How much will a body of 70 N weight in water if it displaces 20 ml of...

    Text Solution

    |

  21. A solid weighs 6 kg in air. If its density is 2000 "kg" m^(3) what wil...

    Text Solution

    |