Home
Class 12
PHYSICS
Two identical satellites are at the heig...

Two identical satellites are at the heights R and 7R from the earth's surface then which of the following statement is incorrect- (r=radius of the earth)

A

Ratio of total energy of both is 5

B

Ratio of kinetic energy of both is 4

C

Ratio of potential energy of both 4

D

Ratio of total energy of both is 4

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Two identical satellite are at R and 7R away from earth surface, the wrong statement is ( R =radius of earth)

Two identical satellites are orbiting are orbiting at distances R and 7R from the surface of the earth, R being the radius of the earth. The ratio of their

A satellite is revolving around earth in a circular orbit at a height (R )/(2) from the surface of earth. Which of the following are correct statements about it (M = mass of earth, R = radius of earth, m = mass of satellite) ?

A satellite is orbiting the Earth in a circular orbit of radius R. Which one of the following statement it is true?

Two artificial satellites A and B are at a distance r_(A) and r_(B) above the earth's surface. If the radius of earth is R, then the ratio of their speed will be :-

Two identical satellites A and B revolve round the earth in circular orbits at distance R and 3R from the surface of the earth. The ratio of the linear momenta of A and B is (R = radius of the earth)

If a body of mass m is raised to height 2 R from the earth s surface, then the change in potential energy of the body is (R is the radius of earth)

The value of g at depth h is two third the value that on the earth's surface. The value of h in terms of radius of earth R is

The escape velocity from the surface of the earth is (where R_(E) is the radius of the earth )

A geostationary satellite is orbiting the earth at a height of 6R above the surface of the earth, where R is the radius of the earth. The time period of another satellite at a height of 2.5 R from the surface of the earth is …… hours.

ALLEN-GRAVITATION-EXERCISE 1
  1. A planet is moving in an elliptical orbit around the sun. If T,U,E an...

    Text Solution

    |

  2. If the gravitational force between two objects were proportional to (1...

    Text Solution

    |

  3. What will be velocity of a satellite revolving around the earth at a h...

    Text Solution

    |

  4. Two satellites of masses m(1) and m(2)(m(1)gtm(2)) are revolving aroun...

    Text Solution

    |

  5. Orbital radius of a satellite S of earth is four times that s communic...

    Text Solution

    |

  6. If a satellite is orbiting the earth very close to its surface, then t...

    Text Solution

    |

  7. Two identical satellites are at the heights R and 7R from the earth's ...

    Text Solution

    |

  8. The minimum projection velocity of a body from the earth's surface so ...

    Text Solution

    |

  9. Geostationary satellite :-

    Text Solution

    |

  10. The maximum and minimum distance of a comet form the sun are 8xx10^(12...

    Text Solution

    |

  11. A satellite of mass m goes round the earth along a circular path of ra...

    Text Solution

    |

  12. Near the earth's surface time period of a satellite is 4 hrs. Find its...

    Text Solution

    |

  13. A communication satellite of earth which takes 24 hrs. to complete one...

    Text Solution

    |

  14. Escape velocity for a projectile at earth's surface is V(e). A body is...

    Text Solution

    |

  15. For a satellite moving in an orbit around the earh, the ratio of kine...

    Text Solution

    |

  16. The orbital velocity of an artificial in a circular orbit just above ...

    Text Solution

    |

  17. The earth revolves round the sun in one year. If the distance between ...

    Text Solution

    |

  18. A sayellite of mass m revolves in a circular orbit of radius R a round...

    Text Solution

    |

  19. A satellite is orbiting earth at a distance r. Variations of its kinet...

    Text Solution

    |

  20. The mean distance of Mars from the sun in 1.524 times that of the Eart...

    Text Solution

    |