Home
Class 12
PHYSICS
A mass m is hanging by a string of lengt...

A mass m is hanging by a string of length l. The velocity `v_(0)` which must be imparted to it to just reach the top is

A

`sqrt3gl`

B

`sqrt4gl`

C

`sqrt5gl`

D

`sqrt6gl`

Text Solution

Verified by Experts

The correct Answer is:
C
`v_(L)=sqrt(5 rg)`
Promotional Banner

Topper's Solved these Questions

  • ATOMS, MOLECULES AND NUCLEI

    NIKITA PUBLICATION|Exercise MCQs|443 Videos

  • COMMUNICATION SYSTEMS

    NIKITA PUBLICATION|Exercise Multiple Choice Questions (Examples for Practice)|8 Videos

Similar Questions

Explore conceptually related problems

A mass m is kept hanging by a rad of length L. What tangential velocity must be given to it so that it can just reach the top of the vertical circle ?

A sphere is suspended by a thread of length l. What minimum horizontal velocity has to be imparted the ball for it to reach the height of the suspension?

A particle of mass m is suspended from a string of length l fixed to the point O. What velocity should be imparted to the particle in its lowermost position so that the string is just able to reach the horizontal diameter of the circle?

A bob of mas M is suspended by a massless string of length L . The horizontal velocity v at position A is just sufficient to make it reach the point B . The angle theta at which the speed of the bob is half of that at A , satisfies. .

A spere is suspended by a thread of length l. What minimum horizontal velocity has to be imparted to the ball for it to reach the height of the suspension?

A thin uniform heavy rod of length l hangs from a horizontal axis passing through one end. The initial angular velocity omega that must be imparted to it to rotate it through 90^(@) is :

A body of mass m hangs at one end of a string of length l, the other and of which is fixed . It is given a horizontal velocity so that the string would just reach where it makes an angle of 30^@ with the vertical . The tension in the string at mean position is

A body of mass m hangs at one end of a string of length l , the other end of which is fixed. It is given a horizontal velocity so that the string would just reach where it makes an angle of 60^(@) with the vertical. The tension in the string at mean position is

A body of mass m hangs at one end of a string of lenth l, the other end of which is fixed. It is given a horizontal velocity so that the string would just reach where it makes an angle of 60^(@) with the vertical. The tension in the string at bottommost point position is

NIKITA PUBLICATION-CIRCULAR MOTION-Multiple Choice Question
  1. A particle performs verticle circular motion along the circular path ....

    Text Solution

    |

  2. A body of mass m tied to a string of lrngth r is at its lowest positio...

    Text Solution

    |

  3. A mass m is hanging by a string of length l. The velocity v(0) which m...

    Text Solution

    |

  4. In a 'well of death' a ride drives round the inner wall of a hollow cy...

    Text Solution

    |

  5. A sphere is suspended by a thread of length l. What minimum horizontal...

    Text Solution

    |

  6. A 1kg stone at the end of 1m long string is whirled in a vertical circ...

    Text Solution

    |

  7. A body of mass m hangs at one end of a string of length l , the other ...

    Text Solution

    |

  8. The tension in the string revolving in a vertical circle with a mass ...

    Text Solution

    |

  9. A hollow sphere has radius 6.4 m. Minimum velocity required by a motor...

    Text Solution

    |

  10. A Particle is kept at rest at the top of a sphere of diameter 42m.when...

    Text Solution

    |

  11. A bucket full of water is revolved in vertical circle of radius 2 m . ...

    Text Solution

    |

  12. A body of mass m is rotated in a vertical circle with help of light st...

    Text Solution

    |

  13. A body of mass m is revolving along a vertical circle of radius r suc...

    Text Solution

    |

  14. A body of mass m is rotating in a verticle circle of diameter '2r' wit...

    Text Solution

    |

  15. A body of mass 'm' is rotated by means of a string along a verticle of...

    Text Solution

    |

  16. A stone of mass 1 kg tied at the end of a string of length 1 m and is ...

    Text Solution

    |

  17. When a ball tied to a string is swung along a vertical circle , quanti...

    Text Solution

    |

  18. A simple pendulum with a bob of mass 'm' swings with angular amplitude...

    Text Solution

    |

  19. A ball of mass 100 g released down an inclined plane describes a circl...

    Text Solution

    |

  20. A frictionless tracke ABCDE ends in a circular loop of radius 'r' A bo...

    Text Solution

    |