Home
Class 12
PHYSICS
The bob of pendulum of length l is pulle...

The bob of pendulum of length l is pulled aside from its equilibrium position through an angle `theta` and then released. Find the speed v with which the bob passes through the equilibrium position.

A

`sqrt(2gl(1-cos theta))`

B

`sqrt(2gl)(1+cos theta)`

C

`sqrt(2glcos theta)`

D

`sqrt(2gl)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE|Exercise Assignment (SECTION - D)|15 Videos

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE|Exercise Assignment (SECTION - B)|39 Videos

  • WAVES

    AAKASH INSTITUTE|Exercise ASSIGNMENT ( SECTION-D ( Assertion - Reason Type Questions ))|12 Videos

Similar Questions

Explore conceptually related problems

The bob of a pendulum of length l is pulled aside from its equilibrium position through an angle theta and then released. The bob will then pass through its equilibrium position with a speed v, where v equals

The figure shows a pendulum of length l suspended at a distance x vertically above a peg. (a) The pendulum bob is deflected through an angle theta and then released. Find the speed of the bob at the instant (b) The pendulum is released when theta = 90^(@) . For what x (position of peg) will the pendulum complete the circle ? (c) The pendulum is released when theta = 60^(@) . what is the velocity of the bob as it passes position E.

A mass at the end of a spring executes harmonic motion about an equilibrium position with an amplitude A.Its speed as it passes through the equilibrium position is V.If extended 2A and released, the speed of the mass passing through the equilibrium position will be

A small circular coil with a mass of m consists of N turns of fine wire and carries a current of I. The coil is located in a uniform magnetic field of B with the coil axis orginally parallel to the field direction. a. What is the period of small angle oscilations of the coil axis around its equilibrium position, assuming no friction and no mechanical force? b. If the coil is rotated through an angle of theta from its equilibrium position and then released, what will be its angular speed when it passes through equilibrium position?

A simple pendulum of length 1m has bob of mass 100 g. It is displaced through an angle of 60^@ from the vertcal and then released. The kinetic energy of bob when it passes through the mean position is

A simple pendulum of length l and bob of mass m is displaced from its equilibrium position O to a position P so that hight of P above O is h . If is then released. What is the tension in the string when the bob passes through the through the equilibrium position O ? Neglect friction. v is the velocity of the bob at O

AAKASH INSTITUTE-WORK, ENERGY AND POWER-Assignment (SECTION - C)
  1. A simple pendulum with a bob of mass m oscillates from A to C and back...

    Text Solution

    |

  2. A car moving with a speed of 40 km//h can be stopped by applying the b...

    Text Solution

    |

  3. A child is swinging a swing. Minimum and maximum heights fo swing from...

    Text Solution

    |

  4. When a long spring is stretched by 2cm, its potential energy is U. If ...

    Text Solution

    |

  5. A ball of mass2 kg and another of mass 4 kg are dropped together from ...

    Text Solution

    |

  6. A mass of 0.5 kg moving with a speed of 1.5 m//s on a horizontal smoot...

    Text Solution

    |

  7. One coolie takes 1min to raise a box through a height of 2m. Another o...

    Text Solution

    |

  8. In a force of 9 N is acting on a body, then find instataneous power su...

    Text Solution

    |

  9. As shown in figure, a particle of mass m is performing vertical circul...

    Text Solution

    |

  10. The bob of pendulum of length l is pulled aside from its equilibrium p...

    Text Solution

    |

  11. A stone is tied to a string of length l and is whirled in a vertical c...

    Text Solution

    |

  12. The potential energy between two atoms in a molecule is given by U(x)=...

    Text Solution

    |

  13. The coefficient of restitution e for a perfectly elastic collision is

    Text Solution

    |

  14. A particle of mass m moving with velocity vecV makes a head on elastic...

    Text Solution

    |

  15. Two identical balls A and B having velocity of 0.5 m//s and -0.3 m//s ...

    Text Solution

    |

  16. A body of mass m moving with velocity 3km//h collides with a body of m...

    Text Solution

    |

  17. A rubber ball is dropped from a height of 5m on a plane, where the acc...

    Text Solution

    |

  18. A ball moving with velocity 2 ms^(-1) collides head on with another st...

    Text Solution

    |

  19. A metal ball of mass 2 kg moving with speed of 36 Km//h has a collisio...

    Text Solution

    |

  20. Two springs A and B (k(A)=2k(B)) are stretched by applying forces of e...

    Text Solution

    |