Home
Class 11
PHYSICS
A satellite with kinetic energy E(k) is ...

A satellite with kinetic energy `E_(k)` is revolving round the earth in a circular orbit. How much more kinetic energy should be given to it so that it may just escape into outer space

A

`E_k`

B

`2E_k`

C

`1/2 E_k`

D

`3 E_k`

Text Solution

Verified by Experts

The correct Answer is:
A
Binding energy = – Kinetic energy
Extra KE = `E_k`.
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Kepler’s Laws of Planetary Motion)|27 Videos

  • GRAVITATION

    ERRORLESS|Exercise Past Years Questions |36 Videos

  • GRAVITATION

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Gravitation Potential, Energy and Escape Velocity)|38 Videos

  • FRICTION

    ERRORLESS|Exercise ASSERTION & REASON |8 Videos

  • KINETIC THEORY OF GASES

    ERRORLESS|Exercise ASSERTION AND REASON |16 Videos

Similar Questions

Explore conceptually related problems

A satellite is revolving round the earth in circular orbit

The gravitational potential energy of satellite revolving around the earth in circular orbit is 4MJ . Find the additional energy (in MJ ) that should be given to the satellite so that it escape from the gravitational field of the earth.

When the earth revolves round the sun in an elliptical orbit, its kinetic energy is

If the kinetic energy of a satellite orbiting around the earth is doubled then

To required kinetic energy of an object of mass m , so that it may escape, will be

A satellite revolving round the earth in a circular orbit with orbital velocity v_(0) . It has kinetic energy E. The additional kinetic energy required to be given to it so that it esscapes from the earth is

The ratio of the kinetic energy required to be given to a satellite to escape from the earths gravity to the kinetic energy required to be given to it so that it moves in a circular orbit just above the eart's surface is:

A satellite is moving with constant speed V in a circular orbit around earth. The kinetic energy of the satellite is

The energy of a satellite revolving round the earth in a circular orbit is increased but keeping its energy less than zero, then the average radius of the new orbit of the satellite will

ERRORLESS-GRAVITATION-NCERT BASED QUESTIONS (Motion of Satellite)
  1. A person sitting in a chair in a satellite feels weightless because

    Text Solution

    |

  2. Satellites orbiting the earth have finite life and sometimes debris of...

    Text Solution

    |

  3. An artificial satellite moving in a circular orbit around the earth ha...

    Text Solution

    |

  4. The weight of an astronaut, in an artificial satellite revolving aroun...

    Text Solution

    |

  5. A satellite moves around the earth in a circular orbit with speed v. I...

    Text Solution

    |

  6. A satellite with kinetic energy E(k) is revolving round the earth in a...

    Text Solution

    |

  7. When a satellite going around the earth in a circular orbit of radius ...

    Text Solution

    |

  8. The additional kinetic energy to be provided to a satellite of mass m ...

    Text Solution

    |

  9. Radius of orbit of satellite of earth is R. Its kinetic energy is prop...

    Text Solution

    |

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

    Text Solution

    |

  11. The satellite of mass m revolving in a circular orbit of radius r arou...

    Text Solution

    |

  12. A satellite of mass m is in a circular orbit of radius r round the Ear...

    Text Solution

    |

  13. The correct graph representing the variation of total energy (E(t)), k...

    Text Solution

    |

  14. Geostationary satellite :-

    Text Solution

    |

  15. The distance of geostationary satellite from the centre of the earth (...

    Text Solution

    |

  16. Pick out the most correct statement with reference to earth satellites

    Text Solution

    |

  17. A synchronous satellite goes around the earth once in every 24 h. What...

    Text Solution

    |

  18. Suppose the acceleration due to gravity at earth's surface is 10ms^-2 ...

    Text Solution

    |

  19. Consider a satellite orbiting the earth as shown in the figure below. ...

    Text Solution

    |

  20. Assume that the Earth rotates in a circular orbit round the Sun in 365...

    Text Solution

    |