Home
Class 12
PHYSICS
The escape velocity of a body on an imag...

The escape velocity of a body on an imaginary planet which is thrice the radius of the earth and double the mass of the earth is (`v_(e)` is the escape velocity of earth)

A

`sqrt(2/3)v_e`

B

`sqrt(3/2)v_e`

C

`(sqrt2)/3v_e`

D

`2/(sqrt3)v_e`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    TARGET PUBLICATION|Exercise EVALUATION TEST|24 Videos

  • GRAVITATION

    TARGET PUBLICATION|Exercise CRITICAL THINKING|78 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

Escape velocity on the earth

The escape velocity of an object on a planet whose radius is 4 times that of the earth and g value 9 tims that on the earth, in Kms^(-1) , is

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

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

The mass of (an imaginary) planet is four times that of the earth and its radius is double the radius of the earth. The escape velocity of a body from the earth is 11.2xx10^(3)m//s . Find the escape velocity of a body from the planet.

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 escape velocity of a body from the earth is V_(e) if the radius of earth contracts to 1//4 th of its value keeping the mass of the earth constant the escape velocity will be

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

TARGET PUBLICATION-GRAVITATION-COMPETITIVE THINKING
  1. Given mass of the moon is 1/81 of the mass of the earth and correspond...

    Text Solution

    |

  2. Two satellites A and B are rotating in same orbit. The ratio of their ...

    Text Solution

    |

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

    Text Solution

    |

  4. A body is projected vertically upwards from the surface of a planet of...

    Text Solution

    |

  5. A black hole is an object whose gravitational field is so strong that ...

    Text Solution

    |

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

    Text Solution

    |

  7. A space station is at a height equal to the radius of the Earth. If VE...

    Text Solution

    |

  8. A satelite is revolving in a circular orbit at a height h above the su...

    Text Solution

    |

  9. Find the change in the gravitational potential energy when a body of m...

    Text Solution

    |

  10. Energy required to move a body of mass m from an orbit of radius 2R to...

    Text Solution

    |

  11. If g is the acceleration due to gravity on earth's surface, the gain o...

    Text Solution

    |

  12. A body of mass m is placed on the earth surface is taken to a height o...

    Text Solution

    |

  13. A body of mass m is raised to a height 10 R from the surface of the ea...

    Text Solution

    |

  14. A body of mass m taken form the earth's surface to the height is equal...

    Text Solution

    |

  15. The acceleration due to gravity on the surface of the earth is g. If a...

    Text Solution

    |

  16. A body of mass m rises to a height h=R//5 from the earth's surface whe...

    Text Solution

    |

  17. What is the minimum energy required to launch a satellite of mass m fr...

    Text Solution

    |

  18. A satellite of mass m is orbiting the earth (of radius R) at a height ...

    Text Solution

    |

  19. If R is the radius of earth and g is acceleration due to gravity on th...

    Text Solution

    |

  20. How much energy will be needed for a body of mass 100kg to escape from...

    Text Solution

    |