Home
Class 12
PHYSICS
The ratio of the K.E. required to the gi...

The ratio of the K.E. required to the given to the satellite to escape earth's gravitational field to the K.E. required to be given so that the satellite moves in a circular orbit just above earth atmosphere is

A

`1:1`

B

`2:1`

C

`1:2`

D

`3:2`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|109 Videos

  • GRAVITATION

    TARGET PUBLICATION|Exercise EVALUATION TEST|24 Videos

  • GRAVITATION

    TARGET PUBLICATION|Exercise EVALUATION TEST|24 Videos

  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

  • INTERFERENCE AND DIFFRACTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|20 Videos

Similar Questions

Explore conceptually related problems

The ratio of the kinetic energy required to be given to a satellite to escape from the earths gravity to the kinetic energy required to be given to it so that it moves in a circular orbit just above the eart's surface is:

The ratio of energy required to raise a satellite to a height h above the earth surface to that required to put it into the orbit is

Let E be the energy required to raise a satellite to height h above earth's surface and E' be the energy required to put the same satellite into orbit at that height. Then E//E' is equal to

If a satellite is moving around thee earth in an orbit of 5 R radius , here R = radius of the earth . The minimum kinetic energy required to be provided to the satellite such that it escapes the gravitational field of the earth is ( M and m are masses of earth and satellite respectively )

The ratio of the energy required to raise a satellite upto a height h above the surface of earth to that the kinetic energy of the satellite into the orbit there is (R=radius of earth)

Energy of a satellite in circular orbit is E_(0) . The energy required to move the satellite to a circular orbit of 3 times the radius of the initial orbit is

Choose the correct alternative : (a) If the zero of the potential energy is at infinity, the total energy of an orbiting satellite is negative of its kinetic/potential energy. (b) The energy required to rocket an orbiting satellite out of Earth's gravitational influence is more/less than the energy required to project a sationary object at the same height (as the satellite) out of Earth's influence.

Define orbital velocity of a satellite. Derive expressions for the orbital velocity of a satellite. Show that the escape velocity of a body from the earth's surface is sqrt2 times its velocity in a circular orbit just above the earth's surface.

TARGET PUBLICATION-GRAVITATION-CRITICAL THINKING
  1. The correct graph representing the variation of total energy (E(t)), k...

    Text Solution

    |

  2. If g is the acceleration due to gravity and R is radius of earth, the ...

    Text Solution

    |

  3. The ratio of the K.E. required to the given to the satellite to escape...

    Text Solution

    |

  4. The maximum vertical distance through which a full dressed astronaut c...

    Text Solution

    |

  5. Planet A has a mass and radius twice that of Planet B. The escape vel...

    Text Solution

    |

  6. v(e) and v(p) denotes the escape velocity from the earth and another p...

    Text Solution

    |

  7. Escape velocity of a satellite of the earth at an altitude equal to ra...

    Text Solution

    |

  8. A satellite orbiting close to earth surface will escape, if

    Text Solution

    |

  9. The orbital velocity of a body at height h above the surface of Earth ...

    Text Solution

    |

  10. The moon revolves around the earth in a circular orbit of radius - 3.8...

    Text Solution

    |

  11. If the earth suddenly contracts so that its radius reduces by 4% with ...

    Text Solution

    |

  12. Where will it be profitable to purchase 1 kilogram sugar

    Text Solution

    |

  13. Find the value of acceleration due to gravity in a mine at a depth of ...

    Text Solution

    |

  14. The density of a newly discovered planet is twice that of earth. The a...

    Text Solution

    |

  15. Cosider earth to be a homogeneous sphere. Scientist A goes deep down i...

    Text Solution

    |

  16. The value of 'g' at a certain height above the surface of the earth is...

    Text Solution

    |

  17. Assuming the earth as a sphere of unifonn density. the acceleration du...

    Text Solution

    |

  18. lf change in the value of g at a depth d below the surface of the eart...

    Text Solution

    |

  19. lf the earth of radius R, while rotating with angular velocity ro beco...

    Text Solution

    |

  20. The mass of the moon is 1/81 of the earth but the gravitational pull i...

    Text Solution

    |