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

Promotional Banner

Topper's Solved these Questions

  • Gravitation

    TARGET PUBLICATION|Exercise Exercise|273 Videos

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise Evaluation Test|12 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-LAWS OF MOTION-EXERCISE
  1. Two particles of masses m(1) and m(2) have equal kinetic energies. The...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  5. A soccer ball is travelling at a velocity 20 ms^-1 due south. At the e...

    Text Solution

    |

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

    Text Solution

    |

  7. An object flying in air with velocity (20hati + 25hatj - 12hatk) sudde...

    Text Solution

    |

  8. A ball of mass M(1) collides elastically and head on with another ball...

    Text Solution

    |

  9. Two identiacal balls A and B having velocities of 0.5 m/s and -0.3" ...

    Text Solution

    |

  10. Two particles A and B, move with constant velocities vec(v(1))" and "v...

    Text Solution

    |

  11. Two particles of masses m(1),m(2) move with initial velocities u(1) an...

    Text Solution

    |

  12. Dimensional formula for coefficient of restitution

    Text Solution

    |

  13. A sphere of mass 'm' moving with velocity 'v' collides head-on on anot...

    Text Solution

    |

  14. A moving block having mass m, collides with another stationary block h...

    Text Solution

    |

  15. A particle falls from a height h on a fixed horizontal surface and reb...

    Text Solution

    |

  16. A small steel ball bounces on a steel plate held horizontally. On eac...

    Text Solution

    |

  17. A ball moving with velocity 2 m/s collides head on with another statio...

    Text Solution

    |

  18. A ball is thrown vertically down from height of 40 m from the ground w...

    Text Solution

    |

  19. A ball is thrown vertically downwards from a height of 20 m with an in...

    Text Solution

    |

  20. On a frictionless surface, a block of mass M moving at speed v collide...

    Text Solution

    |