Home
Class 12
PHYSICS
Two masses m(1) and m(2) at an infinite ...

Two masses `m_(1)` and `m_(2)` at an infinite distance from each other are initially at rest, start interacting gravitationally. Find their velocity of approach when they are at a distance `r` apart.

A

`sqrt((4Gm)/(S))`

B

`sqrt((Gm_(A))/(S))`

C

`sqrt((2Gm_(X))/(S))`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    FIITJEE|Exercise Assigment problems (Objective) (level-I) Assertion & Reasoning type|2 Videos

  • GRAVITATION

    FIITJEE|Exercise Assigment problems (Objective) (level-II)|20 Videos

  • GRAVITATION

    FIITJEE|Exercise Assigment problems (Subjective) (level II & III)|15 Videos

  • GMP ASSESMENT

    FIITJEE|Exercise Numerical Based|61 Videos

  • HEAT AND TEMPERATURE

    FIITJEE|Exercise NUMERICAL BASES QUESTIONS|1 Videos

Similar Questions

Explore conceptually related problems

Two particles of masses m_(1) and m_(2) initially at rest a infinite distance from each other, move under the action of mutual gravitational pull. Show that at any instant therir relative velocity of approach is sqrt(2G(m_(1)+m_(2))//R) where R is their separation at that instant.

Two particles of masses m_(1) and m_(2) are intially at rest at an infinite distance apart. If they approach each other under their mutual interaction given by F=-(K)/(r^(2)) . Their speed of approach at the instant when they are at a distance d apart is

10 Two particles of masses m_(1) and m_(2) initially at rest start moving towards each other under their mutual force of attraction. The speed of the centre of mass at any time t, when they are at a distance r apart, is

Two masses m_(1) and m_(2) are placed at a distance r from each other. Find out the moment of inertia of system about an axis passing through their centre of mass.

Two particles m_(1) and m_(2) are initially at rest at infinite distance. Find their relative velocity of approach due to gravitational attraction when their separation is d.

Two particles of masses m_(1) and m_(2) are initially at rest infinite distance apart. If they approach each other under inverse square law of force (F=k//r^(2)) find their speed of approach at the instant when they are distance d apart.

Two particles of mass 'm' and 3 m are initially at rest an infinite distance apart. Both the particles start moving due to gravitational attraction. At any instant their relative velocity of approach is sqrt((ne Gm)/d where 'd' is their separation at that instant. Find ne.

Two masses m_(1) and m_(2)(m_(1)ltm_(2)) are released from rest finite distance. They start under their mutual gravitational attraction-

Two masses m_(1) and m_(2) (m_(1) lt m_(2)) are released from rest from a finite distance. They start under their mutual gravitational attraction

FIITJEE-GRAVITATION-Assigment problems (Objective) (level-I)
  1. The ratio of the inertial mass to gravitational mass is equal to

    Text Solution

    |

  2. An artificial satellite moving in a circular orbit around the earth ha...

    Text Solution

    |

  3. A body of mass m at inifnity is approaching the centre of a hypothetic...

    Text Solution

    |

  4. There is no atomosphere on moon because

    Text Solution

    |

  5. The energy required to remove a body of mass m from earth's surfac is/...

    Text Solution

    |

  6. The weight of a body at the centre of the earth is

    Text Solution

    |

  7. When a satellite has an elliptical orbit the plane of the orbit

    Text Solution

    |

  8. The earth revolves round the sun in an elliptical orbit. Its speed

    Text Solution

    |

  9. Two satellites of masses of m(1) and m(2)(m(1)gtm(2)) are revolving ro...

    Text Solution

    |

  10. Two satellites are revolving around the earth in circular orbits of sa...

    Text Solution

    |

  11. A satellite of mass m moving around the earth of mass mE in a circular...

    Text Solution

    |

  12. Let V and E represent the gravitational potential and field at a dista...

    Text Solution

    |

  13. If the mass of moon is (M)/(81), where M is the mass of earth, find th...

    Text Solution

    |

  14. Two masses m(1) and m(2) at an infinite distance from each other are i...

    Text Solution

    |

  15. Suppose the gravitational force varies inversely as the n^(th) power o...

    Text Solution

    |

  16. A satellite having time period of revolution 6830 sec is travelling in...

    Text Solution

    |

  17. A spherical hole of radius R//2 is excavated from the asteroid of mas...

    Text Solution

    |

  18. In a double star system one of mass m(1) and another of mass m(2) with...

    Text Solution

    |

  19. Two spherical massive bodies of uniform density each of mass M and rad...

    Text Solution

    |

  20. An earth satellite is moving round the earth in a circular orbit . For...

    Text Solution

    |