Home
Class 12
PHYSICS
A particle performing uniform circular m...

A particle performing uniform circular motion gas angular momentum `L`. If its angular frequency is double and its kinetic energy halved, then the new angular momentum is :

A

2 L

B

4 L

C

`L//2`

D

`L//4`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A particle performs a uniform circular motion with angular momentum L. If its angular frequency is halved and the rotational kinetic energy is doubled, then the new angular momentum will be

A particle performs uniform circular motion with an angular momentum L. If the frequency of particles motion is doubled and its kinetic energy is halved, the angular momentum becomes :

A particle performs uniform circular motion with an angular momentum L.If the frequency of particle's motion is doubled and its kinetic energy halved,the angular momentum becomes

A particle performing uniform circular motion has angular frequency is doubled & its kinetic energy halved, then the new angular momentum is

A particle performing uniform circular motion has angular momentum L . When its angular velocity is doubled and K.E is also doubled, the new angualr momentum becomes x times. What is x ?

A disc rotates with angular velocity omega and kinetic energy E . Then its angular momentum

DISHA-ROTATIONAL MOTION-physics
  1. A uniform heavy disc is rotating at constant angular velocity omega ab...

    Text Solution

    |

  2. Two discs of moment of inertia I(1) and I(2) and angular speeds omega(...

    Text Solution

    |

  3. A particle performing uniform circular motion gas angular momentum L. ...

    Text Solution

    |

  4. A round disc of moment of inertia I2 about its axis perpendicular to i...

    Text Solution

    |

  5. Calculate the angular momentum of a body whose rotational energy is 10...

    Text Solution

    |

  6. if the earth is treated as a sphere of radius Radn mass M, Its angular...

    Text Solution

    |

  7. If the earth is a point mass of 6xx10^(24) kg revolving around the su...

    Text Solution

    |

  8. An automobile engine develops 100 kilo-watt, when rotating at a speed ...

    Text Solution

    |

  9. A constant torque acting on a uniform circular wheel changes its angul...

    Text Solution

    |

  10. A wheel having moment of inertia 2 kg m^(2) about its vertical axis, r...

    Text Solution

    |

  11. Find the torque of a force vecF= -3hati+hatj+5hatk acting at the poin...

    Text Solution

    |

  12. A constant torque of 1000 N-m turns a wheel of moment of inertia 200 k...

    Text Solution

    |

  13. A torque of 20 N-m is applied on a wheel initially at rest. Calculate ...

    Text Solution

    |

  14. A horizontal force F is applied such that the block remains stationary...

    Text Solution

    |

  15. In a bicycle the radius of rear wheel is twice the radius of front whe...

    Text Solution

    |

  16. The wheel of a car is rotating at the rate of 1200 revolutions per min...

    Text Solution

    |

  17. A wheel rotates with a constasnt acceleration of 2.0rad/s^2. If the wh...

    Text Solution

    |

  18. A child is standing with folded hands at the center of a platform rota...

    Text Solution

    |

  19. Two uniforms discs of equal mass but unequal radii are mounted on fixe...

    Text Solution

    |

  20. Consider a cylinder of mass M=1 kg and radius R=1 mlying on a rough ho...

    Text Solution

    |