Home
Class 11
PHYSICS
The mass of a planet is half that of the...

The mass of a planet is half that of the earth and the radius of the planet is one fourth that of the earth. If we plan to send an artificial satellite from the planet, the escape velocity will be `(V_(e)=11 kms^(-1))`

A

`11 kms^(-1)`

B

`5.5 kms^(-1)`

C

`15.55 kms^(-1)`

D

`7.78 kms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C

`v_(e)=sqrt((2GM)/R)rArr v_(e)propsqrt(M/R)`
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    NARAYNA|Exercise LEVEL III|44 Videos
  • GRAVITATION

    NARAYNA|Exercise NCERT BASED QUESTIONS|26 Videos
  • GRAVITATION

    NARAYNA|Exercise LEVEL I(C.W.)|51 Videos
  • FRICTION

    NARAYNA|Exercise Passage type of questions I|6 Videos
  • KINETIC THEORY OF GASES

    NARAYNA|Exercise LEVEL-III(C.W)|52 Videos

Similar Questions

Explore conceptually related problems

The mass of a planet is six times that of the earth. The radius of the planet is twice that of the earth. It's the escape velocity from the earth is v , then the escape velocity from the planet is:

If the radius of a planet is four times that of earth and the value of g is same for both, the escape velocity on the planet will be

If the radius of a planet is four times that of earth and the value of g is same for both, the escape velocity on the planet will be

The escape velocity of the earth is 11.2 km/s. For a planet whose mass and radius are twice those of the earth, the escape velocity will be

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 ?

NARAYNA-GRAVITATION-LEVEL II (C.W.)
  1. The acceleration due to gravity at the latitude 45^(@) on the earth be...

    Text Solution

    |

  2. Acceleration due to gravity on moon is 1//6 of the acceleration due to...

    Text Solution

    |

  3. The mass of a planet is half that of the earth and the radius of the p...

    Text Solution

    |

  4. If a rocket is fired with a velocity, V=2sqrt(2gR) near the earth's su...

    Text Solution

    |

  5. A projectile is fired vertically upwards from the surface of the earth...

    Text Solution

    |

  6. If the radius of the earth shrinks by 0.2% without any change in its m...

    Text Solution

    |

  7. If d is the distance between the centre of the earth of mass M(1) and ...

    Text Solution

    |

  8. The escape velocity of a planet having mass 6 times and radius 2 times...

    Text Solution

    |

  9. If v(e) is the escape velocity of a body from a planet of mass 'M' and...

    Text Solution

    |

  10. A particle falls towards the earth from inifinity. The velocity with w...

    Text Solution

    |

  11. Two satellites P,Q are revolving around the earth in different circula...

    Text Solution

    |

  12. A planet is revolving around the sun. its distance from the sun at apo...

    Text Solution

    |

  13. Suppose the gravitational force varies inversely as the nth power of d...

    Text Solution

    |

  14. An artificial satellite is revolving around the earth in a circular or...

    Text Solution

    |

  15. The work done to increases the radius of orbit of a satellite of mass ...

    Text Solution

    |

  16. A stone is dropped from a height equal to nR, where R is the radius of...

    Text Solution

    |

  17. Three particles of equal mass 'm' are situated at the vertices of an e...

    Text Solution

    |

  18. A small body is at a distance r from the centre of the mercury, where ...

    Text Solution

    |

  19. Escape velocity of a body 1 kg mass on a planet is 100 ms^(-1). Gravit...

    Text Solution

    |

  20. By what percent the energy of the satellite has to be increased to shi...

    Text Solution

    |