Home
Class 11
PHYSICS
A satellite of mass m is revolving aroun...

A satellite of mass m is revolving around the earth at a height x above the surface of the earth. The radius of the earth is R. If the acceleration due to gravity is g, the orbital speed of the satellite will be

A

gx

B

`(gR)/(R-x)`

C

`(gR^2)/(R+x)`

D

`((gR^2)/(R+x))^(1//2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NEWTONIAN GRAVITATION AND PLANETARY MOTION

    CHHAYA PUBLICATION|Exercise EXERCISE (Very Short Answer Type Questions)|67 Videos

  • NEWTONIAN GRAVITATION AND PLANETARY MOTION

    CHHAYA PUBLICATION|Exercise EXERCISE (Short Answer Type Questions-I)|12 Videos

  • NEWTONIAN GRAVITATION AND PLANETARY MOTION

    CHHAYA PUBLICATION|Exercise HIGHER ORDER THINKING SKILL (HOTS) QUESTIONS|41 Videos

  • NEWTON'S LAWS OF MOTION

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|24 Videos

  • ONE - DIMENSIONAL MOTION

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|19 Videos

Similar Questions

Explore conceptually related problems

What is the value of the acceleration due to gravity on the surface of the earth ?

If the radius of the earth is R , the height above the surface of the earth where the acceleration due to gravity will be 1% of its value on the earth's surface is

An artificial satellite is revolving around the earth at an altitude h above the surface of the earth. Show that the orbital speed and the time period of revolution of the satellite is independent of its mass.

At what height above the surface of the earth will the acceleration due to gravity be half of its value on the earth's surface ? Radius of the earth =6400 km.

At what height above the surface of the earth will the acceleration due to gravity be one-fourth of its value on the surface of the earth ?[Radius of the earth =R]

If the earth is assumed to be a sphere of radius R, the height above the surface of the earth where the value of the acceleration due to gravity will be half its value on the earth's surface is

A body of mass m is raised from the surface of the earth up to a height equal to the radius R of the earth. If the acceleration due to gravity on the earth's surface is g , prove that the potential energy of the body has increased by 1/2 mgR.

A satellite of mass 250 kg is orbiting the earth at a height of 500 km above the surface of the earth. How much energy must be expended to rocket the satellite out of the gravitational influence of the earth? Mass of earth = 6 xx 10^24 kg Radius of earth = 6400km.

CHHAYA PUBLICATION-NEWTONIAN GRAVITATION AND PLANETARY MOTION-EXERCISE (Multiple choice Questions)
  1. The centripetal force necessary for an artificial satellite revolving ...

    Text Solution

    |

  2. The radii of the orbits of two satellite A and B revolving around a p...

    Text Solution

    |

  3. In the case of the motion of a planet

    Text Solution

    |

  4. Two small artificial satellite are revolving around the earth in two c...

    Text Solution

    |

  5. If the gravitational force is inversely proportional to the n -th powe...

    Text Solution

    |

  6. A satellite of mass m is revolving around the earth at a height x abov...

    Text Solution

    |

  7. The ratio of the magnitudes of the kinetic energy and the potential en...

    Text Solution

    |

  8. Kepler's second law is the consequence of the law of conservation of

    Text Solution

    |

  9. A satellite is moving in an orbit around a planet with kinetic energy ...

    Text Solution

    |

  10. The angle between the equatorial plane and the orbital plane of a geo-...

    Text Solution

    |

  11. The angle between the equatorial plane and the orbital plane of a pola...

    Text Solution

    |

  12. A geostationary satellite orbits around the earth surface in a circula...

    Text Solution

    |

  13. An artificial satellite moving in a circular orbit around the earth h...

    Text Solution

    |

  14. Reason of weightlessness in a satellite is

    Text Solution

    |

  15. A body projected vertically from the earth reaches a height equal to e...

    Text Solution

    |

  16. An orbiting satellite has

    Text Solution

    |

  17. If the daily rotation of the earth ceases suddenly, then the weight of...

    Text Solution

    |

  18. In the case of a freely falling body, which of the graphs will indicat...

    Text Solution

    |

  19. The radius of a uniform sphere is R and its mass is M. The values of t...

    Text Solution

    |

  20. Dimensional formula of gravitational field intensity is

    Text Solution

    |