Home
Class 12
PHYSICS
If the mass of the planet is 4 times tha...

If the mass of the planet is 4 times that of the earth and radius of the planet is 2 times that of the earth • then escape velocity from surface of the planet is, (Given that escape velocity from the

A

`4.9m//s^2`

B

`3.6m//s^2`

C

`36m//s^2`

D

`49m//s^2`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • FRICTION

    MBD PUBLICATION|Exercise QUISTION BANK|72 Videos
  • KINETICS THEORY OF GASES

    MBD PUBLICATION|Exercise QUESTION BANK|264 Videos

Similar Questions

Explore conceptually related problems

what is the escape velocity of a body from the earth?

The value of escape speed from the surface of earth is

The escape velocity on the surface of the earth is 11.2 km//s . If the mass and radius of a planet 4 and 2 times more than that of the earth, What is escape velocity from the planet.

The mass of a spherical planet is 5 times the mass of the earth but it’s diametre is the same as that of the earth, how much work is done in lifting a stone of mass 3 kg through a distance of lm on the planet.

What is potential energy of a stone placed at a height 'h' from the surface of the earth ?

Escape velocity depends on mass of escaping bodies.

If the mass of earth reduces to half its present value with no change in size, how much will be the escape velocity,

MBD PUBLICATION-GRAVITATION-QUESTION BANK
  1. The value of acceleration due to gravity is 980 cm//s^2. What will be ...

    Text Solution

    |

  2. What is the value of acceleration due to gravity on the surface of the...

    Text Solution

    |

  3. If the mass of the planet is 4 times that of the earth and radius of t...

    Text Solution

    |

  4. If the value of acceleration due to gravity on the surface of the eart...

    Text Solution

    |

  5. If the mass of earth reduces to half its present value with no change ...

    Text Solution

    |

  6. The height at which the acceleration due to gravity becomes g/9. (Wher...

    Text Solution

    |

  7. The latitude at which the acceleration due to gravity is 25% of that a...

    Text Solution

    |

  8. The height at which the acceleration due to gravity is 49% that of the...

    Text Solution

    |

  9. The height above the surface of the earth where the acceleration due t...

    Text Solution

    |

  10. The height at which the acceleration due to gravity is 49% that of the...

    Text Solution

    |

  11. The height at which the acceleration due to gravity is 49% that of the...

    Text Solution

    |

  12. What would be the duration of the year if the distance between the ear...

    Text Solution

    |

  13. Time period of the satellite very close to the earth’s surface is ,

    Text Solution

    |

  14. If the radius of communication satellite were to reduce to half, then ...

    Text Solution

    |

  15. A satellite revolving around the earth in a circular orbit has 4 times...

    Text Solution

    |

  16. What will be the BE of a satellite of mass 80 kg revolving in an orbit...

    Text Solution

    |

  17. If the radius of a circle increasing from 5 cm to 5.1 cm, then find th...

    Text Solution

    |

  18. what is the time period of revolution of a geostationary Satellite of ...

    Text Solution

    |

  19. A satellite revolving around the earth in a circular orbit has 4 times...

    Text Solution

    |

  20. The binding energy of a satellite of mass 1000 kg revolving in circula...

    Text Solution

    |