Home
Class 12
PHYSICS
One end of a light rod of length 1m is a...

One end of a light rod of length 1m is attached with a string of length 1m. Other end of the rod is attached at point O such that rod can move in a vertical circle. Other end of the string is attached with a block of mass 2kg. The minimum velocity that must be given to the block in horizontal direction so that it can complete the vertical is `(g=10 m//s^(2))`

A

`4sqrt(5)`

B

`5sqrt(5)`

C

10

D

`3sqrt(5)`

Text Solution

Verified by Experts

The correct Answer is:
1
Promotional Banner

Topper's Solved these Questions

  • TEST PAPERS

    BANSAL|Exercise PHYSICS PART (A)|32 Videos

  • TEST PAPERS

    BANSAL|Exercise PHYSICS PART (B)|3 Videos

  • TEST PAPERS

    BANSAL|Exercise PHYSICS PART- C|4 Videos

  • SEMICONDUCTORS

    BANSAL|Exercise CBSE Question|32 Videos

Similar Questions

Explore conceptually related problems

A ball of mass m is attached to one end of a light rod of length l , the other end of which is hinged. What minimum velocity v should be imparted to the ball downwards, so that it can complete the circle ?

A block of mass m is connected to a light rod of length l . One end of the rod is pivoted to a point in such a way that it can be rotated in a vertical plane . Initially rod is vertical with the block a its lowest position . If velocity given to the block is sqrt(ngl) then it is found to complete the circle successfully . Find the value of n .

A small body of mass 1/2 kg is tied to one end of a string of length 1m. With what horizontal velocity must the body be projected so that it may go round the peg to which the other end of the string is attached without slackening of the string at the highest point ?

A small body attached at the end of an inextensible string completes a vertical circle , then its

A uniform rod of mass m length l is attached to smooth hinge at end A and to a string at end B as shown in figure. It is at rest. The angular acceleration of the rod just after the string is cut is :

A block of mass 1kg is tied to a string of length 1m the other end of which is fixed The block is moved on a smooth horizontal table with constant speed 10ms^(-1) . Find the tension in the string

A mass is attached to the end of a string of length l which is tied to a fixed point O. The mass is released from the initial horizontal position of the string. Below the point O at what minimum distance a peg P should be fixed so that the mass turns about P and can describe a complete circle in the vertical plane?

BANSAL-TEST PAPERS-PHYSICS
  1. A rocket of initial mass m ( including fuel) ejects mass at a constant...

    Text Solution

    |

  2. A bullet of mass m=10 gm strikes a hanging block of mass M=50 gm inela...

    Text Solution

    |

  3. One end of a light rod of length 1m is attached with a string of lengt...

    Text Solution

    |

  4. AB is an L shaped obstacle fixed on a horizontal smooth table. A ball ...

    Text Solution

    |

  5. A uniform rod of mass m and length L lies radialy on a disc rotating w...

    Text Solution

    |

  6. Two identical uniform discs of mass m and radius r are arranged as sho...

    Text Solution

    |

  7. A particle moves in a straight line with retardation proportional to i...

    Text Solution

    |

  8. A machine gun fires a bullet of mass 40 g with a velocity 1200 ms^-1. ...

    Text Solution

    |

  9. A particles of mass m is fixed to one end of a light spring of force c...

    Text Solution

    |

  10. The upper half of an inclined plane with inclination phi is perfectly ...

    Text Solution

    |

  11. The relation between time t and distance x is t = ax^(2)+ bx where a a...

    Text Solution

    |

  12. A cone of mass m falls from a height h and penetrates into sand. The r...

    Text Solution

    |

  13. A ball is projected towards right from point A at an angle theta with ...

    Text Solution

    |

  14. A pendulum of mass m and length l is released from rest in a horizonta...

    Text Solution

    |

  15. A particle of mass m is projected at an angle with horizontal with kin...

    Text Solution

    |

  16. Two balls of same mass are projected as shown, by compressing the spri...

    Text Solution

    |

  17. In the arrangements as shown Mgt2m. Find the extension in the spring o...

    Text Solution

    |

  18. A sphere A of mass m moving with a velocity hits another stationary s...

    Text Solution

    |

  19. A particle of mass m(1) collides head on with a stationary particles o...

    Text Solution

    |

  20. An isolated particle of mass m is moving in horizontal plane xy along ...

    Text Solution

    |