Home
Class 11
PHYSICS
A bomb explodes into two fragment of mas...

A bomb explodes into two fragment of masses 2.0 kg and 1.0kg. The total kinetic energy of the fragment is `3.0xx10^4J`. Calculate (i) kinetic energy of the bigger fragment ,
(ii) momentum of the smaller fragment.

Text Solution

Verified by Experts

The correct Answer is:
`10^4J, 200 kg*m*s^(-1)`
Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise PROBLEM SET -II|47 Videos

  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise PROBLEM SET -II (Hots Numerical Problems)|9 Videos

  • WORK AND ENERGY

    CHHAYA PUBLICATION|Exercise EXERCISE (short Answer Type Questions-II)|7 Videos

  • WBCHSE QUESTION PAPER -2019

    CHHAYA PUBLICATION|Exercise SECTION - II ( GROUP -D)|10 Videos

Similar Questions

Explore conceptually related problems

The kinetic energy of a subatomic particle is 3.60xx10^(-24) J. calculate the frequency of the corresponding particle wave.

Determine the total kinetic energy of the molecules of 8.0 g CH_(4) at 27^(@)C in the unit of joule.

A moving body of mass 10 kg has 20 joules of kinetic energy. Calculate the speed of the body.

A sub-atomic particle has a kinetic energy of 3.6xx10^(-24)J . Calculate the frequency of the wave associated with the motion of this particle.

A body of mass 1 kg initially at rest explodes and breaks into three fragments of masses in the ration 1 : 1 : 3. The two pieces of equal mass fly off perpendicular to each other with a speed of 30 m/s each. What is the velocity of the heavier fragment?

Two bodies of masses 4 kg and 5kg are moving with equal momentum. Then , the ratio of their respective kinetic energies is

The rotational kinetic energy of a solid sphere of mass 3 kg and radius 0.2 rolling down an inclined plane of height 7 m is

CHHAYA PUBLICATION-WORK AND ENERGY-PROBLEM SET -I
  1. A bullet of mass m, moving with a velocity u hits a wooden block of ma...

    Text Solution

    |

  2. A bullet of mass 10 g travels horizontally with a speed of 100 m*s^(-1...

    Text Solution

    |

  3. A ball is dropped from rest from a height of 10 m. if it loses 20% of ...

    Text Solution

    |

  4. A pendulum bob of mass 10^(-2) kg is raised to a height of 5xx 10^(-2)...

    Text Solution

    |

  5. A force of 30 N acts on a body of mass 2.0 kg starting from rest upto ...

    Text Solution

    |

  6. A body is kept hanging means of a thread of length 1.25 m. if the body...

    Text Solution

    |

  7. A stone of mass 500 g is tied at one end of a thread . If the stone i...

    Text Solution

    |

  8. A child revolves a stone of mass 0.5 kg tied to the end of a string ...

    Text Solution

    |

  9. A moving body A collides directly with a stationary body B and comes t...

    Text Solution

    |

  10. A sphere falls on a stationary horizontal plane from some height, afte...

    Text Solution

    |

  11. A bomb explodes into two fragment of masses 2.0 kg and 1.0kg. The tot...

    Text Solution

    |

  12. Kinetic energy of an object is 1J . A force of 1 Mdyn is applied to st...

    Text Solution

    |

  13. A chain is kept on a smooth horizontal table. 1/5th of the length of t...

    Text Solution

    |

  14. A body of mass 2 kg is dropped from a height of 40 cm on a spring cush...

    Text Solution

    |

  15. A boat is moving at 25 m*s^(-1) . Power of the engine of the boat is ...

    Text Solution

    |

  16. An object , starting from rest, rolled down a smooth path. The path is...

    Text Solution

    |

  17. A block of wood of mass 10 kg is suspended with a long rope. A bullet ...

    Text Solution

    |

  18. A ball is moving with a velocity v1=15m*s^(-1). When hit by a racket ,...

    Text Solution

    |

  19. A proton and electron have kinetic energy equal to 10^5 eV and 10^4 eV...

    Text Solution

    |

  20. In a circus , the diameter of globe of death is 30 m. From what minimu...

    Text Solution

    |