Home
Class 11
PHYSICS
A 12 kg bomb at rest explodes into two p...

A 12 kg bomb at rest explodes into two pieces of 4 kg and 8 kg. If the momentum of 4 kg piece is 20 Ns, the kinetic energy of the 8 kg piece is

A

`25" J"`

B

`20" J"`

C

`50" J"`

D

`40" J"`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • FORCE

    TARGET PUBLICATION|Exercise Competitive Theinking (4.4 Elastic and inelastic collision)|23 Videos

  • FORCE

    TARGET PUBLICATION|Exercise Competitive Theinking (4.5 Inertial and non-inertial frames)|2 Videos

  • FORCE

    TARGET PUBLICATION|Exercise Competitive Theinking (4.2 General idea of gravitational, electromagnetic and nuclear force from daily life experiences)|3 Videos

  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise EXCERCISE|156 Videos

  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (EVALUATION TEST)|21 Videos

Similar Questions

Explore conceptually related problems

Choose the correct options A bomb of mass 9 kg explodes into two pieces of mass 3 kg and 6 kg. The velocity of mass 3 kg is 16 m//s . The kinetic energy of mass 6 kg is

An object of mass 50 kg is moving in a horizontal circle of radius 8 m. If the centripetal force is 40 N, then the kinetic energy of the object will be

A bomb of 12 kg expledes into 2 pieces of masses 4 kg and 8 kg mass is 6ms^-1 . What is K.E of the other mass?

Find the cost of 8 kg of rice, if the cost of 10 kg of rice is ₹ 325.

1 kg mass has a kinetic energy of 2 joule. Calculate its velocity

If the momentum of a body of mass 10 kg is 20 kg m//s , find its velocity.

A body of mass 2 kg moves with a velocity of 5 m/s. Find its kinetic energy.

A flywheel of mass 4 kg has radius of gyration 0.4 m. Calculate the kinetic energy of rotation when it makes 5 r.p.s

TARGET PUBLICATION-FORCE -Competitive Theinking (4.3 Law of conservation of momentum)
  1. A body of mass 1 kg, initially at rest, explodes and breaks into three...

    Text Solution

    |

  2. As shown in figure, a 16 g bullet is fired horizontally into a 4 kg bl...

    Text Solution

    |

  3. A bullet of mass 10g moving horizontally with a velocity of 400 ms^(-1...

    Text Solution

    |

  4. A stationary body of mass 3 kg explodes into three equal pieces. Two o...

    Text Solution

    |

  5. The kinetic energy of a body of mass 4 kg and momentum 6 N-s will be

    Text Solution

    |

  6. Two bodies of masses m(1) and m(2) have same kinetic energy. The rat...

    Text Solution

    |

  7. A stationary particle explodes into two particle of a masses m(1) and ...

    Text Solution

    |

  8. A 12 kg bomb at rest explodes into two pieces of 4 kg and 8 kg. If the...

    Text Solution

    |

  9. A ball of mass m is moving towards a batsman at a speed v. The batsman...

    Text Solution

    |

  10. A rigid ball of mass m strikes a rigid wall at 60^(@) and gets reflect...

    Text Solution

    |

  11. A uniform force of (3 hati + hatj) newton acts on a partical of mass 2...

    Text Solution

    |

  12. Force acting on a particle of mass m moving in straight line varies wi...

    Text Solution

    |

  13. A force F(y)=(3x+2)" N" is acting on a body. The work done by this for...

    Text Solution

    |

  14. A body of mass 6kg is under a force which causes displacement in it gi...

    Text Solution

    |

  15. According to the work energy theorem, the work done by the net force o...

    Text Solution

    |

  16. A block of mass 10 kg, moving in x-direction with a constant speed of ...

    Text Solution

    |

  17. A time dependent force F=6t acts on a particle of mass 1kg. If the par...

    Text Solution

    |

  18. Consider a drop of rain water having mass 1 g falling from a height of...

    Text Solution

    |

  19. A body of mass 2.4 kg is subjected to a force which varies with distan...

    Text Solution

    |

  20. A person trying to lose weight by burning fat lifts a mass of 10 kg up...

    Text Solution

    |