Home
Class 12
PHYSICS
The velocity of a setallite in a parking...

The velocity of a setallite in a parking orbit is

A

8 km/s

B

3.1 km/s

C

2.35 km/s

D

zero

Text Solution

Verified by Experts

The correct Answer is:
b
`v_(c)=sqrt((GM)/(r))`
`=sqrt((4xx10^(14))/(42xx10^(6)))=sqrt((1)/(10)xx10^(8))`
`=sqrt(0.1xx10^(8))=sqrt(10)=3.13xx10^(3)`
`=3.13km//s.`
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    NIKITA PUBLICATION|Exercise Multiple Choice Questions|458 Videos

  • INTERFERENCE AND DIFFRACTION

    NIKITA PUBLICATION|Exercise MULTPLE CHOICE QUESTIONS|333 Videos

Similar Questions

Explore conceptually related problems

What is a parking orbit ?

The orbital velocity of an satellite in a circular orbit just above the earth's surface is v . For a satellite orbiting at an altitude of half of the earth's radius, the orbital velocity is

If v_(0) be the orbital velocity of a satellite in a circular orbit close to the earth's surface and v_(e) is the escape velocity from the earth , then relation between the two is

The velocity of an electron in its fifth orbit, if the velocity of an electron in the second orbit of sodium atom (atomic number =11) is v, will be :

The velocity of an electron in the first orbit of H atom is v . The velocity of an electron in the second orbit of He^(+) is

The velocity of an electron in the first orbit of H-atom is v. The velocity of an electron in the 2nd orbit

The velocity of an electron in a certain Bohr orbit of H-atom beaes the ratio 1 : 275 to the velocity of light. The quantum number (n) of the orbit is

The orbital velocity of a satellite at point B with radius r_(B) and n . The radius of a point A is r_(A) . If the orbit is increased in radial distance so that r_(A) becomes .12r_(A) find the orbital velocity at (1.2 r_(A)) :

NIKITA PUBLICATION-GRAVITATION-Multiple Choice Questions
  1. The depth from the surface of the earth where acceleration due to grav...

    Text Solution

    |

  2. Mass remaining the same, if radius of the earth is doubled, accelerati...

    Text Solution

    |

  3. The velocity of a setallite in a parking orbit is

    Text Solution

    |

  4. The maximum vertical distance through which a person can jump on the e...

    Text Solution

    |

  5. The earth is a solid sphere of radius 6400 km, the value of accelerati...

    Text Solution

    |

  6. If the earth suddenly shrinks (without changing mass) to half of its p...

    Text Solution

    |

  7. If omega is the angular velocity of rotation of the earth about its ax...

    Text Solution

    |

  8. An artificial satellite is orbiting at a height of 1800 km from the ea...

    Text Solution

    |

  9. A satellite revolving round the earth in a circular orbit with orbital...

    Text Solution

    |

  10. A body weighs W newton at the surface of the earth. Its weight at a he...

    Text Solution

    |

  11. A hole is drilled half - way to the centre of the earth. A body weighs...

    Text Solution

    |

  12. Radius of earth is around 6000 km . The weight of body at height of 60...

    Text Solution

    |

  13. An object weighs 20 N at the north pole of the earth. In a satellite, ...

    Text Solution

    |

  14. The height of the point vertically above the earth's surface, at which...

    Text Solution

    |

  15. If the acceleration due to gravity at a height 'h' from the surface of...

    Text Solution

    |

  16. The reduction in acceleration due to gravity at height equal to the ra...

    Text Solution

    |

  17. If R is the radius of the earth , the height from its surface at which...

    Text Solution

    |

  18. If R is the radius of the earth, the height at which g will decrease b...

    Text Solution

    |

  19. The weights of two objects one lying at the equator and the other at l...

    Text Solution

    |

  20. Acceleration due to gravity at a depth equal to half the radius of ear...

    Text Solution

    |