Home
Class 12
PHYSICS
The moon revolves around the earth in a ...

The moon revolves around the earth in a circular orbit of radius - `3.84xx10^5` km with velocity 1 km/s. The additional velocity required to escape from influencing earth satellite is

A

2.414 km/s

B

1.414 km/s

C

0.414 km/s

D

1.000 km/s

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|109 Videos

  • GRAVITATION

    TARGET PUBLICATION|Exercise EVALUATION TEST|24 Videos

  • GRAVITATION

    TARGET PUBLICATION|Exercise EVALUATION TEST|24 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

A satellite has to revolve round the earth in a circular orbit of radius 8 xx 10^(3) km. The velocity of projection of the satellite in this orbit will be -

The moon takes about 27.3 days to revolve round the earth in a nearly circular orbit of radius 3.84xx10^5 k. Calculate the mass of the earth from these datas.

A satellite of mass 2000 kg is revolving around the earth in a circular orbit of radius 4xx10^(4) km. The gravitational force exerted by the satellite on the earth is ________. [Mass of the earth = 6xx10^(24)kg, G=6.67xx10^(-11)Nm^(2)//kg^(2) ]

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

Two satellites P,Q are revolving around the earth in different circular orbits. The velocity of P is twice the velocity of Q . The height of P from the earth's surface is 1600 km . The radius of orbit of Q is (R=6400 km)

A geostationary satellite orbites around the earth in a circular orbit of radius 36000 km Then, the time period of a spy satellite orbiting a few hundred km above the earths surface (R_(e)=6400km) will approximately be

The earth (mass =6xx10^(24)kg ) revolves round the sun with an angular velocity of 2xx10^(-7)"rad/s" in a circular orbit of radius 1.5xx10^(8)km. The gravitational force exerted by the sun on the earth, in newtons, is

An artificial satellite is revolving around the earth in a circular orbit. Its velocity is one-third of the escape velocity. Its height from the earth's surface is (in km )

TARGET PUBLICATION-GRAVITATION-CRITICAL THINKING
  1. A satellite orbiting close to earth surface will escape, if

    Text Solution

    |

  2. The orbital velocity of a body at height h above the surface of Earth ...

    Text Solution

    |

  3. The moon revolves around the earth in a circular orbit of radius - 3.8...

    Text Solution

    |

  4. If the earth suddenly contracts so that its radius reduces by 4% with ...

    Text Solution

    |

  5. Where will it be profitable to purchase 1 kilogram sugar

    Text Solution

    |

  6. Find the value of acceleration due to gravity in a mine at a depth of ...

    Text Solution

    |

  7. The density of a newly discovered planet is twice that of earth. The a...

    Text Solution

    |

  8. Cosider earth to be a homogeneous sphere. Scientist A goes deep down i...

    Text Solution

    |

  9. The value of 'g' at a certain height above the surface of the earth is...

    Text Solution

    |

  10. Assuming the earth as a sphere of unifonn density. the acceleration du...

    Text Solution

    |

  11. lf change in the value of g at a depth d below the surface of the eart...

    Text Solution

    |

  12. lf the earth of radius R, while rotating with angular velocity ro beco...

    Text Solution

    |

  13. The mass of the moon is 1/81 of the earth but the gravitational pull i...

    Text Solution

    |

  14. A body weights 63 N on the surface of the earth At a height h above th...

    Text Solution

    |

  15. If the earth were assumed to have uniform density and spherical symmet...

    Text Solution

    |

  16. If the radius of the earth were to shrink by 1% its mass remaining the...

    Text Solution

    |

  17. The value of acceleration due to gravity will be 1% of its value at th...

    Text Solution

    |

  18. he value of 'g' at a certain height h above the free surface of Earth ...

    Text Solution

    |

  19. If both the mass and radius of the earth decrease by 1% the value of

    Text Solution

    |

  20. R is the radius of the earth and omega is its angular velocity and g(p...

    Text Solution

    |