Home
Class 11
PHYSICS
The bob of a pendulum is released from a...

The bob of a pendulum is released from a horizontal position. If the length of the pendulum is 1.5m, what is the speed with which the bob arrives at the lowermost point, given that it dissipated 5% of its initial energy against air resistance?

Text Solution

Verified by Experts

`= 5.3 ms^(-1)`
Promotional Banner

Topper's Solved these Questions

  • WORK, ENERGY AND POWER

    NCERT GUJARATI|Exercise EXERCISES (ADDITIONAL EXERCISES)|5 Videos

  • WORK, ENERGY AND POWER

    NCERT GUJARATI|Exercise EXERCISES (ADDITIONAL EXERCISES)|5 Videos

  • WAVES

    NCERT GUJARATI|Exercise Exercises|27 Videos

Similar Questions

Explore conceptually related problems

The bob of pendulum is released from a horizontal position . If the length of the pendulum is 1.5 m ,what is the speed with which the bob arrives at the speed with which the bob arrives at the lowermost point , given that it dissipated 5 % of its intial energy against air resistance ?

The bob of mass 50 gm of a pendulum is released from a horizontal position A as shown in the figure . .If the length of the pendulum is 1.5 m , what is its kinetic energy at the lower most point B ? (g = 10 m/(s^(2)))

The pendulum shown in the figure is kept horizontal. It is released from this positions. What is its velocity when it reaches the lowest position? (g=9.8ms^(-2))

The bob of a simple pendulum of length L is released at time t = 0 from a position of small angular displacement theta _ 0 . Its linear displacement at time t is given by :

A stone of mass 0.25 kg tied to the end of a string is whirled round in a circle of radius 1.5 m with a speed of 40 rev./min in a horizontal plane. What is the tension in the string ? What is the maximum speed with which the stone can be whirled around if the string can withstand a maximum tension of 200 N ?

A simple pendulum of mass m and length L is held in horizontal position. If it is released from this position, then find the angular momentum of the bob about the point of suspension when it is vertically below the point of suspension.

The figure show a simple pendulum consisting a bob of mass 100 g. Initially the bob of the pendulum is at rest at O. It is displaced to one side at A. The height of A above O is 5 cm. (i) What is the value of potential energy of the bob at A? (ii) What is the value of kinetic energy of the bob at position P, whose height above O is 2 cm? (Take g=10ms^(-2) )

NCERT GUJARATI-WORK, ENERGY AND POWER-EXERCISES
  1. Answer carefully, with reasons : What are the answers to (a) and (b)...

    Text Solution

    |

  2. Answer carefully, with reasons : If the potential energy of two bill...

    Text Solution

    |

  3. A body is initially at rest. It undergoes one-dimensional motion with ...

    Text Solution

    |

  4. A body is moving unidirectionally under the influence of a source of c...

    Text Solution

    |

  5. A body constrained to move along the z-axis of a coordinate system is ...

    Text Solution

    |

  6. An electron and a proton are detected in a cosmic ray experiment, the ...

    Text Solution

    |

  7. A rain drop of radius 2mm falls from a height of 500 m above the groun...

    Text Solution

    |

  8. A molecule in a gas container hits a horizontal wall with speed 200 ms...

    Text Solution

    |

  9. A pump on the ground floor of a building can pump up water to fill a t...

    Text Solution

    |

  10. The bob A of a pendulum released from 30^(@) to the vertical hits anot...

    Text Solution

    |

  11. The bob of a pendulum is released from a horizontal position. If the l...

    Text Solution

    |

  12. A trolley of mass 300 kg carrying sandbag of 25 kg is moving uniformly...

    Text Solution

    |

  13. A body of mass 0.5 kg travels in a straight line with velocity v= ax^(...

    Text Solution

    |

  14. The blades of a windmill sweep out a circle of area A. If the wind f...

    Text Solution

    |

  15. The blades of a windmill sweep out a circle of area A. What is the k...

    Text Solution

    |

  16. The blades of a windmill sweep out a circle of area A. Assume that t...

    Text Solution

    |

  17. A person trying to lose weight (dieter ) lifts a 10 kg mass , one thou...

    Text Solution

    |

  18. A person trying to lose weight (dieter ) lifts a 10 kg mass , one thou...

    Text Solution

    |

  19. A family uses 8 kW of power. Direct solar energy is incident on the ...

    Text Solution

    |

  20. A family uses 8 kW of power. Compare this area to that of the roof o...

    Text Solution

    |