Home
Class 12
PHYSICS
Two bodies of masses m1 and m2 are init...

Two bodies of masses `m_1 and m_2` are initially at rest placed infinite distance apart. They are then allowed to move towards each other under mutual gravitational attraction. Their relative velocity when they are r distance apart is

A

`sqrt((2Gm)/d)`

B

`sqrt((4Gm)/d)`

C

`sqrt(d/(2G))*1/m`

D

`sqrt(2G/(d))*m`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 12

    AAKASH INSTITUTE ENGLISH|Exercise Example|18 Videos

  • MOCK TEST 14

    AAKASH INSTITUTE ENGLISH|Exercise Example|20 Videos

Similar Questions

Explore conceptually related problems

Two bodies of mass m_(1) and m_(2) are initially at rest placed infinite distance apart. They are then allowed to move towards each other under mutual gravitational attaction. Show that their relative velocity of approach at separation r betweeen them is v=sqrt(2G(m_(1)+m_(2)))/(r)

Two particles of masses m and M are initially at rest at an infinite distance apart. They move towards each other and gain speeds due to gravitational attraction. Find their speeds when the separation between the masses becomes equal to d.

Two bodies with masses M_(1) and M_(2) are initially at rest and a distance R apart. Then they move directly towards one another under the influence of their mutual gravitational attraction. What is the ratio of the distances travelled by M_(1) to the distance travelled by M_(2) ?

Two bodies with masses M_(1) and M_(2) are initially at rest and a distance R apart. Then they move directly towards one another under the influence of their mutual gravitational attraction. What is the ratio of the distances travelled by M_(1) to the distance travelled by M_(2) ?

Two objects of masses m and 4m are at rest at an infinite separation. They move towards each other under mutual gravitational attraction. If G is the universal gravitaitonal constant, then at separation r

Two objectes of mass m and 4m are at rest at and infinite seperation. They move towards each other under mutual gravitational attraction. If G is the universal gravitational constant. Then at seperation r

When two blocks connected by a spring move towards each other under mutual interaction

When two blocks connected by a spring move towards each other under mutual interaction,

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

Two particles of mass m and M are initialljy at rest at infinite distance. Find their relative velocity of approach due to gravitational attraction when d is their separation at any instant

AAKASH INSTITUTE ENGLISH-MOCK TEST 13-Example
  1. The orbital speed of geostationary satellite is around

    Text Solution

    |

  2. Weightlessness in satellite is due to

    Text Solution

    |

  3. If a body of mass m is raised to height 2 R from the earths surface, t...

    Text Solution

    |

  4. E, U and K represent total mechanical energy. potential energy and kin...

    Text Solution

    |

  5. A satellite is revolving around earth in a circular orbit of radius 3 ...

    Text Solution

    |

  6. Two bodies of masses m1 and m2 are initially at rest placed infinite ...

    Text Solution

    |

  7. According to Hooke's law of elasticity if stress is increased, the rat...

    Text Solution

    |

  8. A steel rod has a radius of cross-sectional area is R= 10 mm and lengt...

    Text Solution

    |

  9. A spherical ball contracts in radius by 2%, when subjected to a normal...

    Text Solution

    |

  10. Assertion:- Materials can be stretched even beyond proportionality lim...

    Text Solution

    |

  11. What is the Young's modulus for a perfect rigid body?

    Text Solution

    |

  12. If the load of a wire is increases such that its stress is twice as th...

    Text Solution

    |

  13. Copper of fixed volume V is drawn into wire of length l. When this wir...

    Text Solution

    |

  14. A lead cube of side 20 cm is subjected under a shearing force of magni...

    Text Solution

    |

  15. Which is the following is correct (symbol have their usual meaning)

    Text Solution

    |

  16. A uniform rod of length 2L, area of cross - section A and Young's modu...

    Text Solution

    |

  17. Elastic potential energy density of a given stretch wire is proportion...

    Text Solution

    |

  18. A long rod of steel under a tensile stress due to the force acting on ...

    Text Solution

    |

  19. Which of the following relations is true?

    Text Solution

    |

  20. The diagram represents the applied force F per unit area with the corr...

    Text Solution

    |