Home
Class 12
PHYSICS
Two artificial satellites A and B are at...

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 :-

A

`((r_(B)+R)/(r_(A)+R))^(½)`

B

`((r_(B)+R)/(r_(A)+R))^(2)`

C

`(r_(B)/r_(A))^(2)`

D

`(r_(B)/r_(A))^(½)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

For two saatellitw at distance R and 7R above the earth's surface, the ratio of their

Two satellite revolve around the earth in circular orbits at heights h_(1) and h_(2) above the surface of the earth respectively. If R is radius of the earth, then the ratio of their orbital linear velocities is

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)

A particle is taken to a height R above the earth's surface, where R is the radius of the earth. The acceleration due to gravity there is

Two satellite of the same mass are orbiting round the earth at height f R and 4R above the earth's surface, R being the radius of the earth. Then their kinetic energies are in the ratio of

What will be velocity of a satellite revolving around the earth at a height h above surface of earth if radius of earth is R :-

Two satellites S_1 and S_2 revolve around the earth at distances 3R and 6R from the centre of the earth. Find the ratio of their (a) linear speeds and (b) angular speeds.

A geostationary satellite is orbiting the earth at a height of 6R above the surface oof earth where R is the radius of the earth .The time period of another satellite at a distance of 3.5R from the centre of the earth is ….. hours.

ALLEN-GRAVITATION-EXERCISE 1
  1. A body is projected vertically upwards from the surface of the earth w...

    Text Solution

    |

  2. Binding energy of moon and earth is :-

    Text Solution

    |

  3. Two artificial satellites A and B are at a distance r(A) and r(B) abov...

    Text Solution

    |

  4. The average radii of orbits of mercury and earth around the sun are 6x...

    Text Solution

    |

  5. A body is dropped by a satellite in its geo-stationary orbit :

    Text Solution

    |

  6. Two ordinary satellites are revolving round the earth in same elliptic...

    Text Solution

    |

  7. Kepler's second law is a consequenc of

    Text Solution

    |

  8. One projectile after deviating from itspath starts movnig round the ea...

    Text Solution

    |

  9. In adjoining figure earth goes around the sun in eliptical orbit on wh...

    Text Solution

    |

  10. A satellite of earth of mass 'm' is taken from orbital radius 2R to 3R...

    Text Solution

    |

  11. If a graph is plotted between T^(2) and r^(3) for a planet, then its s...

    Text Solution

    |

  12. A planet is revolving around the sun. its distance from the sun at apo...

    Text Solution

    |

  13. A satellite launching statian should be

    Text Solution

    |

  14. A satellite is launched into a circular orbit close to the earth's sur...

    Text Solution

    |

  15. A satellite moves around the earth in a circular orbit with speed v. I...

    Text Solution

    |

  16. If the length of the day is T, the height of that TV satellite above t...

    Text Solution

    |

  17. If two bodies of mass M and m are revolving around the centre of mass ...

    Text Solution

    |

  18. Two satellites of same mass m are revolving round of earth (mass M) in...

    Text Solution

    |

  19. A planet of mass m is moving in an elliptical orbit about the sun (mas...

    Text Solution

    |

  20. A relay satellite transmits the television programme from one part of ...

    Text Solution

    |