Home
Class 11
PHYSICS
The escape velocity for the earth is v(e...

The escape velocity for the earth is `v_(e)`. The escape velocity for a planet whose radius is four times and density is nine times that of the earth, is

A

`36 v_(e)`

B

`12 v_(e)`

C

`6 v_(e)`

D

`20 v_(e)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    ERRORLESS |Exercise Motion of Satellite|67 Videos
  • GRAVITATION

    ERRORLESS |Exercise Kepler’s Laws of Planetary Motion|51 Videos
  • GRAVITATION

    ERRORLESS |Exercise Acceleration Due to Gravity|87 Videos
  • FRICTION

    ERRORLESS |Exercise MCQ S|125 Videos
  • MOTION IN ONE DIMENSION

    ERRORLESS |Exercise Motion In One Dimension|24 Videos

Similar Questions

Explore conceptually related problems

The escape velocity for the earth is V_(e) . The escape velocity for a planet whose radius (1)/(4) th radius of earth and mass haif that of earth is

The escape velocity from the earth is 11 km//s . The escape velocity from a planet having twice the radius and same density as that of the earth is (in km//s )

The escape velocity from a planet is v_(0) The escape velocity from a planet having twice the radius but same density will be

The escape velocity from a planet is v_(0) . The escape velocity from a planet having twice the radius but same density will be

The ratio of escape velocity at earth (v_(e)) to the escape velocity at a planet (v_(p)) whose radius and mean density in twice as that of earth is

ERRORLESS -GRAVITATION-Gravitation Potential, Energy and Escape Velocity
  1. A mass of 6xx10^(24) kg is to be compressed in a sphere in such a way ...

    Text Solution

    |

  2. The escape velocity of a body on an imaginary planet which is thrice t...

    Text Solution

    |

  3. Escape velocity on the surface of earth is 11.2 km/s . Escape velocit...

    Text Solution

    |

  4. The velocity with which a projectile must be fired so that is escapes ...

    Text Solution

    |

  5. The radius of a planet is 1/4 of earth’s radius and its acceleration d...

    Text Solution

    |

  6. The escape velocity for the earth is v(e). The escape velocity for a p...

    Text Solution

    |

  7. The escape velocity for a body projected vertically upwards from the s...

    Text Solution

    |

  8. If V, R and g denote respectively the escape velocity from the surface...

    Text Solution

    |

  9. The escape velocity for a body of mass 1kg from the earth surface is 1...

    Text Solution

    |

  10. The acceleration due to gravity on a planet is same as that on earth a...

    Text Solution

    |

  11. If the radius of a planet is four times that of earth and the value of...

    Text Solution

    |

  12. If the radius and acceleration due to gravity both are doubled, escape...

    Text Solution

    |

  13. A planet has twice the radius but the mean density is 1/4 th as compar...

    Text Solution

    |

  14. The escape velocity from earth is v(es). A body is projected with velo...

    Text Solution

    |

  15. A particle of mass 10g is kept on the surface of a uniform sphere of m...

    Text Solution

    |

  16. For a satellite moving in an orbit around the earth, ratio of kinetic ...

    Text Solution

    |

  17. Three particles each of mass m are kept at the vertices of an euilater...

    Text Solution

    |

  18. The value of escape velocity on a certain planet is 2 km/s. Then the v...

    Text Solution

    |

  19. Four particles each of mass m are placed at the vertices of a square o...

    Text Solution

    |

  20. There are two planets. The ratio of radius of two planets is k but rat...

    Text Solution

    |