Home
Class 12
PHYSICS
A particle of mass m is describing a cir...

A particle of mass m is describing a circular path of radius r with uniform speed. If L is the angular momentum of the particle (about the axis of the circle), then the kinetic energy of the particle is given by

A

`(L^(2))/(MR^(2))`

B

`(L^(2))/(4MR^(2))`

C

`(L^(2))/(2MR^(2))`

D

`(2L^(2))/(MR^(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2019

    TARGET PUBLICATION|Exercise MCQ|45 Videos
  • SEMICONDUCTORS

    TARGET PUBLICATION|Exercise Evaluation Test|17 Videos

Similar Questions

Explore conceptually related problems

A particle of mass m is moving on a circular path of radius r with uniform speed v , rate of change of linear momentum is

A particle of mass 'm' is moving on a circular path of radius 'r' with uniform speed 'v'. Rate of change of linear momentum is

A particle of mass 1kg is moving about a circle of radius 1m with a speed of 1m//s . Calculate the angular momentum of the particle.

A pariticle of mass m is performing a U.C .M along a circular path of radius r. Its angular momentum abount the axis of rotation ( axis of the circle ( is L. What is the kinetic energy of the pariticle ?

A particle is moving on a circular path of radius r with uniform speed v. What is the displacement of the particle after it has described an angle of 60^(@) ?

A particle of mass m is moving along a circle of radius r with a time period T . Its angular momentum is

A particle is moving in a horizontal circular motion of radius R with constant speed v, then the angular momentum of particle about the axis passing through centre is....

A particle moves in a circular path of radius 0.5 m with a linear speed of 2 ms^(-1) ,its angular speed is

A particle of mass m describes a circle of radius r with a uniform speed v. The centripetal acceleration of the pariticle is 4 / r^(2) .What is the magnitude of the linear momentum of the particle ?

If a particle of mass 1 gm is moving along a circular path of radius 1 m with a velocity of 1 m/s, then the its angular momentum is

TARGET PUBLICATION-ROTATIONAL MOTION -MCQ
  1. The angular velocity of a body rotating about a given axis is doubled....

    Text Solution

    |

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

    Text Solution

    |

  3. A particle of mass m is describing a circular path of radius r with un...

    Text Solution

    |

  4. A flywheel of mass 10 kg and radius 10 cm is revolving at a speed of 2...

    Text Solution

    |

  5. The angular speed of a body changes from omega1 to omega2 without app...

    Text Solution

    |

  6. Radius of gyration of a uniform solid sphere about its diamter is

    Text Solution

    |

  7. Find the radius of gyration of a rod of mass 100 g and length 100 cm a...

    Text Solution

    |

  8. Four particles each of mass (M) are held rigidly by a very light circu...

    Text Solution

    |

  9. Torque acting on a rotating body

    Text Solution

    |

  10. A stone of mass ied to a string of lengh l rotating along & a circular...

    Text Solution

    |

  11. A solid sphere of mass 2 kg and radius 5 cm is rotating at the rate of...

    Text Solution

    |

  12. Due to a certain redistribution of masses, the totment of inertia of a...

    Text Solution

    |

  13. A wheel has moment of inertia 5 xx 10^(-3) kg m^(2) and is making 20 "...

    Text Solution

    |

  14. A wheel having a rotational inertia of 0.16"kg-m"^(2) rotates at 240 r...

    Text Solution

    |

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

    Text Solution

    |

  16. The radius of gyration of flywheel is (3//pi)m and its mass is 1 kg. I...

    Text Solution

    |

  17. A loop and a disc have same mass and roll without slipping with the sa...

    Text Solution

    |

  18. A body of radius R and mass m is rolling smoothly with speed v on a ho...

    Text Solution

    |

  19. A ring of mass 0.3 kg and radius 0.1 m and a solid cylinder of mass 0....

    Text Solution

    |

  20. If a spherical ball rolls on a table without slipping, the fraction of...

    Text Solution

    |