Home
Class 11
PHYSICS
A satellite of mass m revolves around th...

A satellite of mass `m` revolves around the earth of mass `M` in a circular orbit of radius `r`, with an angular velocity `omega`. If raduis of the orbit becomes `9r`, then angular velocity of this orbit becomes

A

`9 omega`

B

`(omega)/9`

C

`27 omega`

D

`(omega)/27`

Text Solution

Verified by Experts

The correct Answer is:
D

From kepler's `3rd` law, `T^(2)propr^(3)rArr omega^(2)alpha1/(r^(3))`
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    NARAYNA|Exercise LEVEL-II (H.W)|32 Videos
  • GRAVITATION

    NARAYNA|Exercise LEVEL-V|54 Videos
  • GRAVITATION

    NARAYNA|Exercise NCERT BASED QUESTIONS|26 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

A satellite of mass m revolves revolves round the earth of mass M in a circular orbit of radius r with an angular velocity omega . If the angular velocity is omega//8 then the radius of the orbit will be

A satellite of mass M_(s) is revolving around the earth (Mass M) in a orbit of radius R. Find its angular momentum.

A satellite is orbiting the earth in a circular orbit of radius r . Its

A satellite of mass m moving around the earth of mass m_E in a circular orbit of radius R has angular momentum L. The rate of the area swept by the line joining the centre of the earth and satellite is

The binding of a satellite of mass m in a orbit of radius r is

If a planet of mass m is revolving around the sun in a circular orbit of radius r with time period, T then mass of the sun is

A communication satellite of mass 500kg revolves around the earth in a circular orbit of radius 4.0xx10^(7)m in the equatorial plane of the earth in the direction from west to east. The magnitude of angular momentum of the satellite is

An electron of charge e , revolves round in an orbit of radius r with a uniform angular velocity omega . The magnetic dipole moment of the electron in the orbit is

NARAYNA-GRAVITATION-LEVEL -I(H.W)
  1. The escape velocity of a sphere of mass m is given by

    Text Solution

    |

  2. A body is projected up with a velocity equal to 3//4th of the escape v...

    Text Solution

    |

  3. A spacecraft is launched in a circular orbit very close to earth. What...

    Text Solution

    |

  4. If the escape velocity on the earth is 11.2 km//s, its value for a pla...

    Text Solution

    |

  5. The escape velocity of a body from earth's surface is ve. The escape v...

    Text Solution

    |

  6. The escape velocity of a body from the surface of the earth is V(1) an...

    Text Solution

    |

  7. The ratio of the orbital speeds of two satellites of the earth if the ...

    Text Solution

    |

  8. An artificial satellite is revolving in a circular orbit at height of ...

    Text Solution

    |

  9. The mean radius of the orbit of a satellite is 4 times as great as tha...

    Text Solution

    |

  10. If the mass of earth were 4 times the present mass, the mass of the mo...

    Text Solution

    |

  11. A satellite of mass m revolves around the earth of mass M in a circula...

    Text Solution

    |

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

    Text Solution

    |

  13. Two satellite of masses 400 kg,500kg are revolving around earth in dif...

    Text Solution

    |

  14. Angular momentum of a satellite revolving round the earth in a circula...

    Text Solution

    |

  15. The K.E. of a satellite is 10^(4)J. It's P.E.is

    Text Solution

    |

  16. The energy required to move a body of massm from an orbit of radius 3R...

    Text Solution

    |

  17. K.E. of an orbiting satellite is K. The minimum additional K.E. requir...

    Text Solution

    |

  18. Imagine a geo-stationary satellite of the earth which is used as an in...

    Text Solution

    |

  19. The height of a geo-stationary satellite above the centre of the earth...

    Text Solution

    |

  20. How much faster than it's normal rate should the earth rotate about it...

    Text Solution

    |