Home
Class 12
PHYSICS
A body of moment of inertia 2kg-m^2 has ...

A body of moment of inertia `2kg-m^2` has a rotational kinetic energy 4J. What is the angular momentum of the body ?

Promotional Banner

Topper's Solved these Questions

  • MOTION IN A STRAIGHT LINE

    MBD PUBLICATION|Exercise QUESTION BANK|193 Videos
  • MOVING CHARGES AND MAGNETISM

    MBD PUBLICATION|Exercise QUESTION BANK|148 Videos

Similar Questions

Explore conceptually related problems

What is the meaning of moment of inertia of a body ?

Obtain an expression for rotational kinetic energy of a body.

A particle performs a uniform circular motion with angular momentum L. If it's angular frequency is doubleded and the rotational kinetic energy is halved, then what will be the new angular momentum?

Derive an expression for rotatational kinetic energy of a rigid body.

The K.E. of a body is 3 Joule and moment of inertia is 6 Kgm^2 . What will be it's angular momentum ?

The kinetic energy of a body is increased by 300 % .The momentum of the body would increase by

What is the percentage change in the kinetic energy of a body when its momentum is halved ?

MBD PUBLICATION-MOTION OF SYSTEM OF PARTICLES AND RIGID BODY-QUESTION BANK
  1. A ballet dancer revolved at 24 r.p.m. with her hands folded. If she st...

    Text Solution

    |

  2. An electron revolves around a nucleus of an atom in a circular orbit o...

    Text Solution

    |

  3. A body of moment of inertia 2kg-m^2 has a rotational kinetic energy 4J...

    Text Solution

    |

  4. A thin circular ring rolls down a smooth inclined plane of inclination...

    Text Solution

    |

  5. A body is rotating ? Is it necessarily being acted upon by an external...

    Text Solution

    |

  6. Why spokes are fitted in the cycle wheel ?

    Text Solution

    |

  7. What is the use of fly wheel in railway engine ?

    Text Solution

    |

  8. Why it is more difficult to revolve a stone by tieing it to a larger s...

    Text Solution

    |

  9. A thin wheel can stay upright on its rim for a considerable length of ...

    Text Solution

    |

  10. A person sits near the edge of a circular platform revolving with a un...

    Text Solution

    |

  11. How a swimmer jumping from a height is due to increase the number of l...

    Text Solution

    |

  12. A man standing on a turntable raises his hands suddenly. What happens ...

    Text Solution

    |

  13. why there are two propellers in a helicopter ?

    Text Solution

    |

  14. There are two spheres of same mass and radius. One is solid and the ot...

    Text Solution

    |

  15. A disc of metal is melted and recast in the form of solid sphere. What...

    Text Solution

    |

  16. There are two spheres of same mass and radius. One is solid and the ot...

    Text Solution

    |

  17. You are given a cube, a ring, a cylinder and a sphere, all having equa...

    Text Solution

    |

  18. How can you distinguish between hard boiled egg and a raw egg by spinn...

    Text Solution

    |

  19. The cap of the pen can easily be opened with the help of two fingers t...

    Text Solution

    |

  20. Why the speed of whirlwind in a tornado is alarmingly high ?

    Text Solution

    |