Home
Class 12
PHYSICS
A particle of mass m describe a circle o...

A particle of mass m describe a circle of radius r. The centripetal acceleration of the particle is`(4)/(r^(2))` What is the momentum of the particle ?

A

`(4m)/(r )`

B

`(2m)/(r )`

C

`(4m)/sqrt(r )`

D

`(2)/(r )`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • UNIFORM CIRCULAR MOTION

    MODERN PUBLICATION|Exercise Multiple Choice Questions(LEVEL II )|1 Videos
  • UNIFORM CIRCULAR MOTION

    MODERN PUBLICATION|Exercise Multiple Choice Questions|56 Videos
  • TRANSFERENCE OF HEAT

    MODERN PUBLICATION|Exercise Recent Competitive Questions|4 Videos
  • UNIT TEST -06

    MODERN PUBLICATION|Exercise Multiple Choice Questions |19 Videos

Similar Questions

Explore conceptually related problems

Define acceleration of a particle?

What is a particle?

When is acceleration of a particle said to be uniform ?

A particle of charge q and mass m moves in a circular orbit of radius r with angular speed

MODERN PUBLICATION-UNIFORM CIRCULAR MOTION-Revision Test 
  1. A particle of mass m describe a circle of radius r. The centripetal ac...

    Text Solution

    |

  2. A sphere of mass m is tied to end of a string of length 1 and rotated ...

    Text Solution

    |

  3. A particle Pis sliding down a frictionless hemispherical bowl. It pass...

    Text Solution

    |

  4. Which of the following is the relation of centripetal force ?

    Text Solution

    |

  5. A body of mass 100 g is rotating in a circular path of radius r with c...

    Text Solution

    |

  6. A car while passing over a convex bridge exerts a force on it which is...

    Text Solution

    |

  7. Which quantity if fixed for an object which moves in a horizontal circ...

    Text Solution

    |

  8. A small mass of 10 g lies in a hemispherical blow of radius 0.5 m at a...

    Text Solution

    |

  9. If a particle moves in a circle describing equal angles in equal inter...

    Text Solution

    |

  10. A fighter aircraft is moving in a vertical circle of radius r. The min...

    Text Solution

    |

  11. A ball of mass 0.25 kg attached to the end of a string 1.96 m long is ...

    Text Solution

    |

  12. A frictionless track ABCDE ends in a circular loop of radius R. A body...

    Text Solution

    |

  13. A weightless string can bear a tension of 3.7 kg wt. A stone of mass 5...

    Text Solution

    |

  14. A mass of 2 kg is whirled in a horizontal circle at a speed of 5 revol...

    Text Solution

    |

  15. The angular velocity of a particle rotating in a circular orbit 100 ti...

    Text Solution

    |

  16. A body of mass 100 g is rotating in a circle of radius r with a constn...

    Text Solution

    |

  17. A cyclist bends while taking a turn to :

    Text Solution

    |

  18. A body of mass 5 kg is moving in a circle of radius 1 m with an angula...

    Text Solution

    |

  19. A stone of 1 kg tied to the end of a string 1 m long is whirled in a h...

    Text Solution

    |

  20. A 500 kg car takes a round turn of radius 50 m with 36 km/h. The centr...

    Text Solution

    |

  21. Two racing cars of masses m(1), and m(2) are moving in circles of radi...

    Text Solution

    |