Home
Class 11
PHYSICS
The work done in bringing three particle...

The work done in bringing three particles each of mass `10 g` from a large distance to the vertices of an equilateral triangle of side `10 cm` is (approximately)

A

`10^(-13) J`

B

`2xx10^(-13) J`

C

`4xx10^(-13)J`

D

`10^(-11) J`

Text Solution

Verified by Experts

The correct Answer is:
B
`W=-U=-(-(3Gm_(1)m_(2))/r)=(3Gm_(1)m_(2))/r`
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    NARAYNA|Exercise LEVEL-V|54 Videos

  • GRAVITATION

    NARAYNA|Exercise LEVEL-VI|42 Videos

  • GRAVITATION

    NARAYNA|Exercise LEVEL -I(H.W)|56 Videos

  • FRICTION

    NARAYNA|Exercise Passage type of questions I|6 Videos

  • KINETIC THEORY OF GASES

    NARAYNA|Exercise LEVEL-III(C.W)|52 Videos

Similar Questions

Explore conceptually related problems

Find the work done in brigning three particles each having a mass of 100 g, from large distances to the vertices of an equilateal triangle of side 20 cm.

What is the area of an equilateral triangle of side 10 cm?

Work done by an external agent in bringing three particles each of mass m at the vertices of an equilateral triangle of length l is

Find the work done to bring 4 particles each of mass 100 gram from large distances to the vertices of square of side 20 cm.

Find the work done to bring 4 particle each of mass 100 gram from distances to the vertices of a square of side 20 cm .

Construct an equilateral triangle, if one side is 10 cm.

The PE of three objects of masses 1kg,2kg and 3kg placed at the three vertices of an equilateral triangle of side 20cm is

Find the PE of three objects of masses 1kg , 2kg and 3kg placed at the three vertices of an equilateral triangle of side 50cm ?

Three particle each of mass m are placed at the corners of equilateral triangle of side l Which of the following is/are correct ?

NARAYNA-GRAVITATION-LEVEL-II (H.W)
  1. The radius and acceleration due to gravity of the moon are 1/4 and 1/5...

    Text Solution

    |

  2. The difference in the value of g at poles and at a latitude is 3/4R om...

    Text Solution

    |

  3. A particle hanging from a spring stratches it by 1cm at earth's surfac...

    Text Solution

    |

  4. A tunnel is dug along a diameter of the earth. Find the force on a par...

    Text Solution

    |

  5. The mass of the earth is 9 times that of the mars. The radius of the e...

    Text Solution

    |

  6. The escape velocity of a body from the earth is 11.2 km//s. If a body ...

    Text Solution

    |

  7. A particle is kept at rest at a distance R (earth's radius) above the ...

    Text Solution

    |

  8. 16 kg and 9kg are separated by 25m. The velocity with which a body sho...

    Text Solution

    |

  9. The escape velocity from the earth is 11 km//s. The escape velocity fr...

    Text Solution

    |

  10. The speed of a satellite that revolves around earth at a height 3R fro...

    Text Solution

    |

  11. If an artificial satellite is moving in a circular orbit around earth ...

    Text Solution

    |

  12. The radii of circular orbits of two satellite A and B of the earth are...

    Text Solution

    |

  13. A satellite moving in a circular path of radius r around earth has a t...

    Text Solution

    |

  14. A satellite is orbiting the earth in an orbit with a velocity 4 km//s,...

    Text Solution

    |

  15. A stone is dropped from a height equal to 3R, above the surface of ear...

    Text Solution

    |

  16. If g is the acceleration due to gravity on the earth's surface, the ga...

    Text Solution

    |

  17. The work done in bringing three particles each of mass 10 g from a lar...

    Text Solution

    |

  18. The energy required to shift the body revolving around a planet from r...

    Text Solution

    |

  19. By what percent the energy of the satellite has to be increased to shi...

    Text Solution

    |

  20. At what height from the surface of the earth, the total energy of sate...

    Text Solution

    |