Home
Class 12
PHYSICS
Two rotating bodies A and B of masses m ...

Two rotating bodies `A` and `B` of masses `m` and `2m` with moments of inertia `I_(A)` and `I_(B) (I_(B) gt I_(A))` have equal kinetic energy of rotation. If `L_(A)` and `L_(B)` be their angular momenta respectively, then

A

first

B

second

C

both will have same kinetic energy

D

not possible to predict

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    VMC MODULES ENGLISH|Exercise IMPECCABLE|56 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    VMC MODULES ENGLISH|Exercise ENABLE|50 Videos

  • SYSTEM OF A PARTICLES & ROTATIONAL MOTION

    VMC MODULES ENGLISH|Exercise IN-CHAPTER EXERCISE F|10 Videos

  • UNITS, MEASUREMENTS & ERRORS

    VMC MODULES ENGLISH|Exercise IN - CHAPTER EXERCISE - B|10 Videos

Similar Questions

Explore conceptually related problems

Two bodies with moment of inertia I_1 and I_2 (I_1 gt I_2) have equal angular momenta. If their kinetic energy of rotation are E_1 and E_2 respectively, then.

Two bodies with moment of inertia l_(1) and l_(2) (l_(1) gt l_(2)) have equal angular momentum. If E_(1) and E_(2) are the rotational kinetic energies, then

Two bodies have their moments of inertia I and 2 I respectively about their axis of rotation. If their kinetic energies of rotation are equal, their angular momenta will be in the ratio.

The moments of inertia of two rotating bodies A and B are I_A and I_B(I_A gt I_B) . If their angular momenta are equal then.

The rotational kinetic energy of a body is E and its moment of inertia is I . The angular momentum is

The moment of inertia (I) and the angular momentum (L) are related by the expression

Two bodies of different masses m_(1) and m_(2) have equal momenta. Their kinetic energies E_(1) and E_(2) are in the ratio

Two bodies of different masses m_(1) and m_(2) have equal momenta. Their kinetic energies E_(1) and E_(2) are in the ratio

Two bodies of different masses m_(1) and m_(2) have equal momenta. Their kinetic energies E_(1) and E_(2) are in the ratio

Two bodies with masses m1 kg and m2 kg have equal kinetic energies. If p_(1) and P_(2) are their respective momenta, then p_(1)//P_(2) is equal to :

VMC MODULES ENGLISH-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-EFFICIENT
  1. The moment of inertia of a body about a given axis of rotation depends...

    Text Solution

    |

  2. Two rotating bodies A and B of masses m and 2m with moments of inertia...

    Text Solution

    |

  3. the flywheel is so constructed that the entire mass of it is concentra...

    Text Solution

    |

  4. A stone attached to one end of string is revolved around a stick so th...

    Text Solution

    |

  5. The graph between the angular momentum J and angular velocity omega w...

    Text Solution

    |

  6. Which of the following pairs do not correctly matched ?

    Text Solution

    |

  7. A gymnast does many acrobats in air before descending on the floor. Th...

    Text Solution

    |

  8. A uniform thin rod of length l is suspended from one of its ends and i...

    Text Solution

    |

  9. The grinding stone of a flour mill is rotating at 600 rad/sec. for thi...

    Text Solution

    |

  10. A rotating table completes one rotation is 10 sec. and its moment of i...

    Text Solution

    |

  11. The moment of inertia of a solid cylinder about its own axis is the sa...

    Text Solution

    |

  12. All the particles of a rigid rotating body move in a circular path whe...

    Text Solution

    |

  13. One account of the earth rotating about its axis :

    Text Solution

    |

  14. On meltng of ice on the pole of the earth, its moment of inertia will ...

    Text Solution

    |

  15. The wheels of moving vehicles are made hollow in the middle and thick ...

    Text Solution

    |

  16. A ring and a solid sphere of same mass and radius are rotating with th...

    Text Solution

    |

  17. For rotational motion, the Newton's second law of motion is indicated ...

    Text Solution

    |

  18. Four similar point masses (each of mass m) are placed on the circumfer...

    Text Solution

    |

  19. By the theorem of perpendicular axes, if a body be in X-Z-plane then :...

    Text Solution

    |

  20. A thin meter scale is kept vertical by placing its one end on floor, k...

    Text Solution

    |