Home
Class 12
PHYSICS
Escape velocity of a satellite of the ea...

Escape velocity of a satellite of the earth at an altitude equal to radius of the earth is v. What will be the escape velocity at an altitude equal to 7R, where R = radius of the earth?

A

v/4

B

v/2

C

2v

D

4v

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 orbital velocity of a satellite very near to the surface of earth is v. What will be its orbital velocity at an altitude 7 times the radius of the earth?

The escape velocity of a body from the surface of the earth is equal to

The escape velocity from the surface of the earth is (where R_(E) is the radius of the earth )

The orbital velocity of an artifical satellite in a cirular orbit above the earth's surface at a distance equal to radiu of earth is v. For a satellite orbiting at an altitude half of earth's radius, orbital velocity is

If the mass of a Planet is eight times the mass of the earth and its radius is twice the radius of the earth, what will be the escape velocity for that planet ?

The orbit velocity of a satellite at a height R above the surface of Earth is v . The escape velocity from the location is

TARGET PUBLICATION-GRAVITATION-CRITICAL THINKING
  1. Planet A has a mass and radius twice that of Planet B. The escape vel...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  17. A body weights 63 N on the surface of the earth At a height h above th...

    Text Solution

    |

  18. If the earth were assumed to have uniform density and spherical symmet...

    Text Solution

    |

  19. If the radius of the earth were to shrink by 1% its mass remaining the...

    Text Solution

    |

  20. The value of acceleration due to gravity will be 1% of its value at th...

    Text Solution

    |