Home
Class 11
PHYSICS
A particle of mass 'm' is suspended from...

A particle of mass 'm' is suspended from a ceiling through a string of length 'L'. If the particle moves in a horizontal circle of radius 'r' as shown in the figure, then the speed of the particle is

A

`r sqrt((g)/(sqrt(L^(2)-r^(2))))`

B

`g sqrt((r )/(sqrt(L^(2)-r^(2))))`

C

`r sqrt((g)/(L^(2)-r^(2)))`

D

`g sqrt((r )/(L^(2)-r^(2)))`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    AAKASH SERIES|Exercise PRACTICE EXERCISE|108 Videos

  • LAWS OF MOTION

    AAKASH SERIES|Exercise EXERCISE - I|158 Videos

  • KINETIC THEORY OF GASES

    AAKASH SERIES|Exercise Practice Exercise|15 Videos

  • MECHANICAL PROPERTIES OF FLUIDS

    AAKASH SERIES|Exercise EXERCISE-3|43 Videos

Similar Questions

Explore conceptually related problems

A particle starts from rest. Its acceleration (a) versus time (t) is as shown in the figure. The maximum speed of the particle will be

One end of a string of length l is connected to a particle of mass m and the other to a small peg on a smooth horizontal table. If the particle moves in a circle with speed u the net force on the particle (directed towards the centre) is

One end of a string of length l is connected to a particle of mass m and the other to a small peg on a smooth horizontal table. If the particle moves in a circle with speed v the net force on the particle (directed towards the centre) is : (i) T, (ii) T - (mv^2)/(l) , (iii) T + (mv^2)/(l) , (iv) 0 T is the tension in the string. [Choose the correct alternative].

AAKASH SERIES-LAWS OF MOTION-EXERCISE - II
  1. An engine of one metric ton is going up an inclined plane, 1 in 2 at t...

    Text Solution

    |

  2. The minimum force required to move a body up an inclined plane is thre...

    Text Solution

    |

  3. A body of mass 10kg is on a rough inclined plane having an inclination...

    Text Solution

    |

  4. A block of wood of mass0.5 kg is placed on plane making angle 30^(@) w...

    Text Solution

    |

  5. A body of mass 'm' slides down a smooth inclined plane having an incli...

    Text Solution

    |

  6. A body is liding down an inclined plane have coefficient of friction 0...

    Text Solution

    |

  7. A particle is placed at rest inside a hollow hemisphere of radius 'R'....

    Text Solution

    |

  8. A wooden box lying at rest on an inclined surface of a wet wood is hel...

    Text Solution

    |

  9. Consider a frictionless ramp on which a smooth object is made to slide...

    Text Solution

    |

  10. A body of mass 2 kg slides down with an acceleration of 3 m//s^(2) on ...

    Text Solution

    |

  11. The centripetal force required by a 1000 kg car that takes a turn of r...

    Text Solution

    |

  12. A stone of mass 0.5 kg is attached to a string of length 2m and is whi...

    Text Solution

    |

  13. A car is moving in a circular horizontal track of radius 10 m with a c...

    Text Solution

    |

  14. Two point size bodies of same mass are knoted to a horizontal string o...

    Text Solution

    |

  15. One end of a string of length l is connected to a particle of mass m a...

    Text Solution

    |

  16. A cyclist is moveing on a smooth horizontal curved surface with a spee...

    Text Solution

    |

  17. A point object moves along an arc of a circle of radius 'R'. Its veloc...

    Text Solution

    |

  18. A particle of mass 'm' is suspended from a ceiling through a string of...

    Text Solution

    |

  19. The velocity vec(v) of a particle of mass 'm' acted upon by a constant...

    Text Solution

    |

  20. Two wedges each of mass 600 g are placed next to each other on a rough...

    Text Solution

    |