Home
Class 12
PHYSICS
Two bodies of different masses 2kg and 4...

Two bodies of different masses `2kg` and `4kg` are moving with velocities `2m//s` and `10m//s` towards each other due to mutual gravitational attraction. Then the velocity of the centre of mass is

A

`5 ms^(-1)`

B

`6 ms^(-1)`

C

`8 ms^(-1)`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 61

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos
  • NTA NEET SET 63

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

2 bodies of different masses of 2 kg and 4 kg are moving with velocities 20 m//s and 10 m//s towards each other due to mutual gravitational attraction. What is the velocity of their centre of mass?

Two bodies of masses 2kg and 4 kg are moving with velocities 20 m/s and 10m/s towards each other due to mutual gravitational attraction . What is the velocity of their centre of mass ?

Two bodies of masses 2 kg and 4 kg are moving with velocities 2 m/s and 10 m/s respectively along same direction. Then the velocity of their centre of mass will be

Two particles of mass m_(1) and m_(2) , approach each other due to their mutual gravitational attraction only. Then

Two bodies of masses 1 kg and 2 kg are moving in two perpendicular direction with velocities 1 m//s and 2 m//s as shown in figure. The velocity of the centre of mass (in magnitide) of the system will be :

Two bodies of masses 10 kg and 2 kg are moving with velocities (2 hati - 7 hatj + 3hat k) and (-10 hati + 35 hatj - 3hatk) m//s respectively. Calculate the velocity of their centre of mass.

A body of mass 20 kg is moving with a velocity of 2v and another body of mass 10 kg is moving with velocity V along same direction. The velocity of their centre of mass is

NTA MOCK TESTS-NTA NEET SET 62-PHYSICS
  1. Energy E of a hydrogen atom with principle quantum number n is given b...

    Text Solution

    |

  2. A body mass M hits normally a rigid wall with velocity v and bounces b...

    Text Solution

    |

  3. Two bodies of different masses 2kg and 4kg are moving with velocities ...

    Text Solution

    |

  4. A 1kg stone at the end of 1m long string is whirled in a vertical circ...

    Text Solution

    |

  5. A car is moving with speed 20 ms ^(-1) on a circular path of radius 10...

    Text Solution

    |

  6. A steady current is set up in a metalic wire of non- uniform cross-sec...

    Text Solution

    |

  7. The V – I graph for a wire of copper of length L and cross -section ...

    Text Solution

    |

  8. If the cyclotron oscillator frequency is 16 MHz, then what should be t...

    Text Solution

    |

  9. An induced emf is produced when a magnet is plunged into a coil. The m...

    Text Solution

    |

  10. Two identical capacitors, have the same capacitance C. One of them is ...

    Text Solution

    |

  11. In the circuit below, the potential difference between A and B is

    Text Solution

    |

  12. The time period of a satellite of earth is 5 hours. If the separation ...

    Text Solution

    |

  13. A spherical uniform planet is rotating about its axis. The velocity of...

    Text Solution

    |

  14. A black body is at a temperature of 2880 K. The energy of radiation em...

    Text Solution

    |

  15. In Carnot engine, efficiency is 40% at hot reservoir temperature T. Fo...

    Text Solution

    |

  16. In a refrigerator, the low temperature coil of evaporator is at -23^@C...

    Text Solution

    |

  17. A current I flows along the length of an infinitely long, straight , ...

    Text Solution

    |

  18. The cyclotron frequency of an electron gyrating in a magnetic field of...

    Text Solution

    |

  19. Magnetic susceptibility for a paramagnetic and diamagnetic materials i...

    Text Solution

    |

  20. If a ball is thrown vertically upwards with a velocity of 40m//s, then...

    Text Solution

    |