Home
Class 11
PHYSICS
Escape velocity of a satellite of the ea...

Escape velocity of a satellite of the earth at an altitude equal to radius of the earth is v. What will be the escape velocity at an altitude equal to 7R, where R = radius of the earth?

A

`v/4`

B

`v/2`

C

2v

D

4v

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (EVALUATION TEST)|21 Videos
  • LAWS OF MOTION

    TARGET PUBLICATION|Exercise EXERCISE|281 Videos

Similar Questions

Explore conceptually related problems

The orbital velocity of a satellite very near to the surface of earth is v. What will be its orbital velocity at an altitude 7 times the radius of the earth?

The escape velocity of a body from the surface of the earth is equal to

Solve the following examples/numerical problems : If the mass of a planet is 8 times that of the earth and its radius is twice the radius of the earth , what will be the escape velocity for that planet?( Escape velocity for the earth=11.2 km/s)

If mass of planet is eight times the mass of the earth and its radius is twice the radius of the earth, what will be the escape velocity for that planet?

State the order of magnitude of radius of the earth. Given R = 6400 km

Solve the following examples/numerical problems : If the mass of a planet is eight times the mass of the earth and its radius is twice the radius of the earth, what will be the ratio of the escape velocity on the earth to the escape velocity on the planet?

The value of gravitational acceleration at a height equal to radius of earth, is

Escape velocity on a planet is e v . If radius of the planet remains same and mass becomes 4 times, the escape velocity becomes

A body weighs 72 N on the surface of the earth What is the gravitational force on it, at a height equal to half the radius of the earth

If the length of a simple pendulum is equal to the radius of the earth, its time period will be

TARGET PUBLICATION-Gravitation-Exercise
  1. Me is the mass of earth and Mm is the mass of moon (Me=81 Mm). The pot...

    Text Solution

    |

  2. Ve and Vp denote the escape velocities from the earth and another plan...

    Text Solution

    |

  3. Escape velocity of a satellite of the earth at an altitude equal to ra...

    Text Solution

    |

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

    Text Solution

    |

  5. To have an earth satellite synchronous with the rotation of the earth,...

    Text Solution

    |

  6. The relay satellite transmits the T.V programme continously from one p...

    Text Solution

    |

  7. If a body is released from an artificial satellite then

    Text Solution

    |

  8. The orbital speed of Jupiter is

    Text Solution

    |

  9. The critical velocity of a satellite of mass l 00 kg is 20 km/hr. The ...

    Text Solution

    |

  10. The mean radius of the earth is R, its angular speed on its own axis i...

    Text Solution

    |

  11. The orbital velocity of a satellite very near to the surface of earth ...

    Text Solution

    |

  12. A Satellite is launched into a circular orbit of radius R around the e...

    Text Solution

    |

  13. Time period of revolution of a nearest satellite around a planet of ra...

    Text Solution

    |

  14. A satellite is moving very close to a planet of density 8xx10^3kgm^(-3...

    Text Solution

    |

  15. If two identical satellites are at R and 7R away from earth surface, t...

    Text Solution

    |

  16. A satellite of mass m moves around the Earth in a circular orbit with ...

    Text Solution

    |

  17. If g is the acceleration due to gravity and R is radius of earth, the ...

    Text Solution

    |

  18. A satellite of mass M is orbiting the earth in a circular orbit of rad...

    Text Solution

    |

  19. The correct graph representing the variation of total energy (T.E.), k...

    Text Solution

    |

  20. Suppose the universal gravitational constant starts to decrease, then

    Text Solution

    |