Home
Class 12
PHYSICS
Two points mass m and 2m are kept at a d...

Two points mass `m` and `2m` are kept at a distance `a`. Find the speed of particles and their relative velocity of approach when separation becomes `a//2`.

A

`2sqrt((3a)/(2Gm))`

B

`sqrt((a)/(2Gm))`

C

`2sqrt((2Gm)/(3a))`

D

`sqrt((6Gm)/(a))`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NTA JEE MOCK TEST 89

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

  • NTA JEE MOCK TEST 91

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

Similar Questions

Explore conceptually related problems

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

Two point masses m and M are separated bya distance L . The distance of the centre of mass of the system from m is

Two particle of mass m and M are initially at rest at inifinte distance . Find their relative velocity of approch due to grvitational atraction when d is their separation at any instant . [Hint : From the principle of conservation of energy (GmM)/(d) =(1)/(2)mv_(1)^(2) +(1)/(2)v_(2)^(2). . From the principle of conservationl of momentum , mv_(1)-Mv_(2)=0 . Relative velocity of approch = V_(1)+V_(2) ]

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 charged particles having charge 1 muC and -muC and of mass 50 gm each are held ar rest while their separtion is 2m . Find the relative velocity of the particles when their separation is 0.5m .

Two particles of mass m and M are initially at rest and infinitely separated from each other. Due to mutual interaction, they approach each other. Their relative velocity of approach at a separation d between them, is

Two point particles of mass m and 2m are initially separated by a distance 4a. They are then released to become free to move. Find the velocities of both the particles when the distance between them reduces to a.

Two particles each of mass m are connected by a light string of length 2L as shown in the figure. A constant force F is applied continuoulsly at the mid - point of the string at right - angle to intial position of the string. Find the acceleration of each particle and the acceleration of approach between the particles when separation between them is 2x

NTA MOCK TESTS-NTA JEE MOCK TEST 90-PHYSICS
  1. Calculate the rate of flow of glycerin of density 1.25xx10^(3) kg m^(-...

    Text Solution

    |

  2. When radiation is incident on a photoelectron emitter, the stopping p...

    Text Solution

    |

  3. One-fourth length of a uniform rod of mass m and length l is placed on...

    Text Solution

    |

  4. The potential energy of a particle varies with distance x from a fixed...

    Text Solution

    |

  5. Two masses m and M(gt m) are joined by a light string passing over a s...

    Text Solution

    |

  6. A block of mass m is pulled by a uniform chain of mass m tied to it by...

    Text Solution

    |

  7. A ferromagnetic material is heated above its curie temperature. Which ...

    Text Solution

    |

  8. Sensitivity of moving coil galvanometer is 's'. If a shunt of ((1)/(8)...

    Text Solution

    |

  9. A ceiling fan rotates about its own axis with some angular velocity....

    Text Solution

    |

  10. A ball is thrown from the ground to clear a wall 3 m high at a distan...

    Text Solution

    |

  11. The potential energy of a 1kg particle free to move along the x-axis i...

    Text Solution

    |

  12. When a wave travels in a medium, the particle displacement is given by...

    Text Solution

    |

  13. A rectangular wire loop with length a and width b lies in the xy-plane...

    Text Solution

    |

  14. Two points mass m and 2m are kept at a distance a. Find the speed of p...

    Text Solution

    |

  15. In a common base transistor circuit, the current gain is 0.98. On cha...

    Text Solution

    |

  16. In the electrical network shown in the figure, What will be the potent...

    Text Solution

    |

  17. Internal energy of n(1) mol of hydrogen of temperature T is equal to t...

    Text Solution

    |

  18. What is the amount of heat required (in calories) to convert 10 g of i...

    Text Solution

    |

  19. A thin film of soap solution (mu(s)=1.4) lies on the top of a glass pl...

    Text Solution

    |

  20. A police car moving at "30 m s"^(-1), chases a motorcyclist. The polic...

    Text Solution

    |