Home
Class 11
PHYSICS
Statement I: In a two-body collision, th...

Statement I: In a two-body collision, the momenta of the particles are equal and opposite to one another, before as well as after the collision when measured in the centre of mass frame.
Statement. II: The momentum of the system is zero from the centre of mass frame.

A

Statement -1 is True, Statement -2 si True , Statement -2 is a correct explanation for Statement -1.

B

Statement -1 is True, Statement -2 si True , Statement -2 is not correct explanation for Statement -1.

C

Satement-1 is True, Statement-2 is False.

D

Satement-1 is False, Statement-2 is True.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CENTRE OF MASS

    ALLEN|Exercise EXERCISE-IV A|32 Videos

  • CENTRE OF MASS

    ALLEN|Exercise EXERCISE-IV B|14 Videos

  • CENTRE OF MASS

    ALLEN|Exercise EXERCISE-II|43 Videos

  • BASIC MATHEMATICS USED IN PHYSICS &VECTORS

    ALLEN|Exercise EXERCISE-IV ASSERTION & REASON|11 Videos

  • ELASTICITY, SURFACE TENSION AND FLUID MECHANICS

    ALLEN|Exercise Exercise 5 B (Integer Type Questions)|3 Videos

Similar Questions

Explore conceptually related problems

Suppose the particle of the previous problem has a mass m and a speed v before the collision and it sticks to the rod after the collision. The rod has a mass M. a. Find the velocity of the particle with respect to C of the system consituting the rod plus the particle. b. Find the velociyt of the particle with respect to C before the collision. c. Find the velocity of the rod with respect to C before the colision. e. find the moment of inertia of the system about the vertical axis through the centre of mass C after the collision. f. Find the velociyt of the centre of mass C and the angular velocity of the system about the centre of mass after the collision.

Statement I: In an elastic collision between two bodies, the relative speed of the bodies after collision is equal to the relative speed before the collision. Statement II: In an elastic collision, the linear momentum of the system is conserved.

Linear Momentum Of Two System Of Particle Relative To Centre Of Mass Frame

Two particles of masses m and 3m approach each other with different velocities. After collision, the particle of mass m has velocity vec( v) in their centre of mass frame. Velocity of particle of mass 3m in the centre of mass frame is

Statement-1 : Total linear momentum of system in centre of mass frame is zero only when there is no net external force. Statement-2 : Total linear momentum of system is conserved in absence of net external force.

A uniform rod of length lambda lies on a smooth horizontal table A particle moving on the table has a mass m and a speed v before the collision and it sticks to the rod after the collision. The rod has a mass M then find out. The velocity of the centre of mass C and the angular velocity of the system about the centre of mass after the collision.

Consider the following two statements: A. Kinear momentum of the system remains constant. B. Centre of mass of the system remains at rest

Statement I. A particle strikes head-on with another stationary particle such that the first particle comes to rest after collision. The collision should necessarily be elastic. Statement II: In elastic collision, there is no loss of momentum of the system of the particles.

A uniform rod of length L lies on a smooth horizontal table. The rod has a mass M . A particle of mass m moving with speed v strikes the rod perpendicularly at one of the ends of the rod sticks to it after collision. Find the velocity of the centre of mass C and the angular, velocity of the system about the centre of mass after the collision.

ALLEN-CENTRE OF MASS-EXERCISE-III
  1. Assertion : In case of bullet fired from gun, the ratio of kinetic e...

    Text Solution

    |

  2. Statement -1 : When a girl jumbs from a boat, the boat slightly moves ...

    Text Solution

    |

  3. Statement I: In a two-body collision, the momenta of the particles are...

    Text Solution

    |

  4. Statement-1 : The centre of mass and centre of gravity of a body are t...

    Text Solution

    |

  5. Statement-1 : A particle of mass m strikes a smooth wedge of mass M as...

    Text Solution

    |

  6. Statement-1 : The coefficient of restitution is less than one for all ...

    Text Solution

    |

  7. Statement I: No external force acts on a system of two spheres which u...

    Text Solution

    |

  8. Statement I: If a sphere of mass mmoving with speed u undergoes a perf...

    Text Solution

    |

  9. Statement I: If a ball projected up obliquely from the ground breaks u...

    Text Solution

    |

  10. Comprehension # 1 If net force on a system in a particular direction...

    Text Solution

    |

  11. Comprehension # 1 If net force on a system in a particular direction...

    Text Solution

    |

  12. Comprehension # 1 If net force on a system in a particular direction...

    Text Solution

    |

  13. Comprehension # 1 If net force on a system in a particular direction...

    Text Solution

    |

  14. Comprehension # 2 When two bodies collide normally they exert equal ...

    Text Solution

    |

  15. Comprehension # 2 When two bodies collide normally they exert equal ...

    Text Solution

    |

  16. A ball collides at B with velocity 10m//s at 30^(@) with vertical. The...

    Text Solution

    |

  17. Comprehension # 4 When the mass of a sytem is variable, a thrust for...

    Text Solution

    |

  18. Comprehension # 4 When the mass of a sytem is variable, a thrust for...

    Text Solution

    |

  19. Comprehension # 4 When the mass of a sytem is variable, a thrust for...

    Text Solution

    |

  20. Comprehension # 5 One particle of mass 1 kg is moving along positive...

    Text Solution

    |