Home
Class 12
PHYSICS
There are some passeger inside a station...

There are some passeger inside a stationary railway compartment. The centre of mass of the compartment itself (without the passngers) is `C_(1)` while the centre of mass of the compartment plus passengers system is `C_(2)` if passenger move about inside the comparment

A

both `C_(1)` and `C_(2)` will move with respect to the groud

B

neither `C_(1)` nor `C_(2)` will move with respect to the ground

C

`C_(1)` will move but `C_(2)` will be stationary with respect to the ground

D

`C_(2)` will move but `C_(1)` will be stationary with respect to the ground

Text Solution

Verified by Experts

The correct Answer is:
c
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CURRENT IN CONDUCTORS

    D MUKHERJEE|Exercise All Questions|79 Videos

Similar Questions

Explore conceptually related problems

There are some passengers inside a stationary railway compartment. The track is frictionless. The centre of mass of the compartment itself (without the passengers) is C_(1) , while the centre of mass of the 'compartment plus passengers' system is C_(2) . If the passengers move about inside the compartment along the track.

In a stationary railway compartment, there are several passengers. If they start moving in the compartment, will CM of the compartment change ? Will the CM of the system of compartment and passengers change ?

Two bodies of masses 1 kg and 2 kg, separated by 6 m are rotating about the centre of mass of the system. The moment of inertia of the system is

The sphere shown in figue lies on a rough plane when a particle of mass m travbelling at a speed v_0 collides and sticks with it. If the line of motion of the particle is at a distance h above the plane, find a. the linear speed o the combine dsystem just after teh collision b. the angular speed of the system about the centre of the sphere just the collistion c. the value of h for which the sphere starts pure rolling on the plane Assume that the mass M of the sphesre is large compared to teh mass of the partcle so that is large compared toteh mass of the particle so that teh centre of mass of the combined system is not appreciably shifted from the centre of the sphere.

Two objects of masses 1kg and 2kg separated by a distance of 1.2m are rotating about their centre of mass. Find the moment of inertia of the system

A man stands at one end of a boat which is stationary in water. Neglect water resistance. The man now moves to the other end of the boat and again becomes stationary. The centre of mass of the 'man plus boat' system will remain stationary with respect to water

A man stands at one end of a boat which is stationary in water. Neglect water resistance. The man now moves to the other end of the boat and again becomes stationary. The centre of mass of the man plus boat system will remain stationary with respect to water.

As observed in the laboratory system , a 6 MeV proton is incident on a stationary 12 C target. The velocity of centre of mass of the system is (Take mass of proton to be 1 amu)

In the figure, a container is shown to have a movable (without friction) piston on top. The container and the piston are all made of perfectly insulated material allowing no heat transfer between outside and inside the container. The container is divided into two compartments by a rigid partition made of a thermally conducting material that allows slow transfer of heat. The lower compartment of the container is filled with 2 moles of an ideal monatomic gas at 700K and the upper compartment is filled with 2 moles of an ideal diatmoic gas at 400K. The heat capacities per mole of an ideal monatomic gas are C_V=3/2R, C_P=5/2R, and those for an ideal diatomic gas are C_V=5/2R, C_P=7/2R, Now consider the partition to be free to move without friction so that the pressure of gasses in both compartments is the same. The total work done by the gases till the time they achives equilibrium will be

In the figure, a container is shown to have a movable (without friction) piston on top. The container and the piston are all made of perfectly insulated material allowing no heat transfer between outside and inside the container. The container is divided into two compartments by a rigid partition made of a thermally conducting material that allows slow transfer of heat. The lower compartment of the container is filled with 2 moles of an ideal monatomic gas at 700K and the upper compartment is filled with 2 moles of an ideal diatmoic gas at 400K. The heat capacities per mole of an ideal monatomic gas are C_V=3/2R, C_P=5/2R, and those for an ideal diatomic gas are C_V=5/2R, C_P=7/2R, Consider the partition to be rigidly fixed so that it does not move. When equilibrium is achieved, the final temperature of the gasses will be

D MUKHERJEE-CIRCULAR,ROTATIONAL & SIMPLE HARMONIC MOTION-All Questions
  1. A strick is thrown in the air and lands on the ground at some distance...

    Text Solution

    |

  2. A man hangs from a rope attached to a hot-air balloon. The mass of the...

    Text Solution

    |

  3. There are some passeger inside a stationary railway compartment. The c...

    Text Solution

    |

  4. For a system to be in equilibrium, the torques acting on it must balan...

    Text Solution

    |

  5. A uniform horizontal meter scale of mass m is susopended by two certic...

    Text Solution

    |

  6. The line of action of the resultant of two like parallel forces shifts...

    Text Solution

    |

  7. A rectangular block has a square base measuring axxa , and its height ...

    Text Solution

    |

  8. A rectangular block has a square base measuring axxa and its height is...

    Text Solution

    |

  9. A flywheel rotates with a uniform angular acceleration. Its angular ve...

    Text Solution

    |

  10. When a ceiling fan is switched on, it makes 10 rotations in the first ...

    Text Solution

    |

  11. When a celling fan is switched off, its angular velocity falls to half...

    Text Solution

    |

  12. A flywheel rotates about an axis. Due to friction at the axis, it expe...

    Text Solution

    |

  13. An external device, e.g an electric motor supplies constant power to a...

    Text Solution

    |

  14. Two identical rods are joined to form an 'X'. The smaller angle betwee...

    Text Solution

    |

  15. A uniform rod of mass m and length l makes a constant angle theta with...

    Text Solution

    |

  16. A disc of mass m and radius R has a concentric hole of radius r. Its m...

    Text Solution

    |

  17. The radius of gyration of a thin disc of radius 4 cm about a diameter ...

    Text Solution

    |

  18. The radius of gyration of a solid shapere of radius r about a certain ...

    Text Solution

    |

  19. Three identical rods, each of length L, are joined to form a rigid equ...

    Text Solution

    |

  20. Let I be the moment of interia of a uniform square plate about an axis...

    Text Solution

    |