Home
Class 11
PHYSICS
An object is kept at rest . Object expl...

An object is kept at rest . Object explodes in two parts of unequal masses .

A

Both parts move in the same direction

B

Both parts move in same direction but along different lines .

C

Both parts move in opposite directions with same speed .

D

Both parts move in opposite directions with different speed .

Text Solution

Verified by Experts

The correct Answer is:
D

According to conservation of linear momentum we can understand that both the parts must move in opposite directions with same linear momentum so that total linear momentum remains zero . Since masses are different speeds so that their linear momenta may remain equal .
Promotional Banner

Topper's Solved these Questions

  • WORK, ENERGY AND POWER

    MODERN PUBLICATION|Exercise Objective Type Questions (B. Multiple Choice Questions)|46 Videos
  • WORK, ENERGY AND POWER

    MODERN PUBLICATION|Exercise Objective Type Questions (JEE (Main) & Other State Boards for Engineering Entrance)|31 Videos
  • WORK, ENERGY AND POWER

    MODERN PUBLICATION|Exercise Revision Exercise (Numerical Problems)|23 Videos
  • WAVES

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST|14 Videos

Similar Questions

Explore conceptually related problems

An object , initially at rest , explodes into three fragments of equal mass . The momenta of two parts are 2phati and phat j where p is a positive number . The momentum of the third part is

An object at rest in space suddenly explodes into three parts of same mass. The momentum of the two parts are 2phati and phatj . The momentum of the third part

There is an object of mass 5m kept at rest in space. Suddenly it explodes in three parts of masses m , 2m and 2m . Two parts of equal masses are found to move with equal speeds v along perpendicular directions . If energy released in explosion is nmv^(2) , then find value of n .

A shell initially at rest explodes into two pieces of equal mass, then the two pieces will

An object of mass 3 kg at rest in space suddenly explodes into three parts of the same mass. The momenta of the two parts are 4hati and 2hatj respectively. Then the energy released in the explosion is

An object of mass 5 kg and speed 10 ms^(-1) explodes into two pieces of equal mass. One piece comes to rest. The kinetic. Energy added to the system during the explosion is :

When an object is at rest -

MODERN PUBLICATION-WORK, ENERGY AND POWER -Objective Type Questions (A. Multiple Choice Questions)
  1. A particle moves along the X - axis with velocity v = ksqrt(x) . What...

    Text Solution

    |

  2. A force of constant magnitude acts on a particle in such a way that ...

    Text Solution

    |

  3. A pendulum bob is rotated in a vertical circle with one end of string ...

    Text Solution

    |

  4. A shell is fired from a gun and it explodes in two pieces at the hig...

    Text Solution

    |

  5. A particle is projected vertically upwards with a speed of 16ms^-1. Af...

    Text Solution

    |

  6. An object is kept at rest . Object explodes in two parts of unequal m...

    Text Solution

    |

  7. There are two springs P and Q . Spring constant for P is K and that ...

    Text Solution

    |

  8. A spring force constant k is cut into two parts such that one piece is...

    Text Solution

    |

  9. Change in potential energy of the system is equal to

    Text Solution

    |

  10. A ball collides with an inclined plane of inclination theta after fall...

    Text Solution

    |

  11. Change in kinetic energy of the system is equal to

    Text Solution

    |

  12. A body kept at rest explodes in four identical fragments and it is fou...

    Text Solution

    |

  13. Two particles of equal masses moving with same collide perfectly inela...

    Text Solution

    |

  14. Change in total energy of the system is equal to

    Text Solution

    |

  15. If P represents linear momentum , K represents kinetic energy and ...

    Text Solution

    |

  16. A ball of mass m(1) moving with a certain speed collides elastically ...

    Text Solution

    |

  17. A block of mass m moving with speed v , collides head on with anothe...

    Text Solution

    |

  18. If resultant of forces acting on a system is zero then

    Text Solution

    |

  19. Consider two observers moving with respect to each other at a speed v ...

    Text Solution

    |

  20. Block A is hanging from a vertical spring and is at rest. Block B stri...

    Text Solution

    |