Home
Class 12
PHYSICS
An elastic spring of unstretched length ...

An elastic spring of unstretched length L and spring constant K is stretched by a small length x. It is further stretched by another small length y. the work done in second stretcing is

A

`(ky)/2(x+2y)`

B

`k/2(2x+y)`

C

`ky(x+2y)`

D

`(ky)/2(2x+y)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • OSCILLATIONS

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

  • OSCILLATIONS

    TARGET PUBLICATION|Exercise Critical thinking|81 Videos

  • MODEL QUESTION PAPER

    TARGET PUBLICATION|Exercise MODEL QUESTION PAPER -II|47 Videos

  • QUESTION PAPER 2019

    TARGET PUBLICATION|Exercise MCQ|45 Videos

Similar Questions

Explore conceptually related problems

An elastic spring of unstretched length L and force constant K is stretched by amoun t x .It is further stretched by another length y The work done in the second streaching is

A string of length L and force constant k is stretched to obtain extension l. It is further stretched to obtain extension l_(1) . The work done in second streching is

STATEMENT-1: An elastic spring of force constant k is stretched by a small length x. The work done in extending the spring by a further length x is 2kx^(2) . because STATEMENT-2: The work done in extending an elastic spring by a length x is proportional to x^(2) .

A wire fixed at the upper end stretches by length l by applying a force F. The work done in stretching is

A piece of elastic was stretched by 24% to a length of 31 cm .find its unstretched original length

TARGET PUBLICATION-OSCILLATIONS -COMPETITIVE THINKING
  1. If the KE of a particle performing a SHM of amplitude A is (3)/(4) of ...

    Text Solution

    |

  2. A particle of mass 4 kg is executing S.H.M. Its displacement is given ...

    Text Solution

    |

  3. An elastic spring of unstretched length L and spring constant K is str...

    Text Solution

    |

  4. Work done for a certain spring when stretched through 1 mm is 10 joule...

    Text Solution

    |

  5. Two simple harmonic are represented by the equation y(1)=0.1 sin (100p...

    Text Solution

    |

  6. The S.H.M. of a particle is given by the equation y=3 sin omegat + 4 ...

    Text Solution

    |

  7. The resultant of two rectangular simple harmonic motion of the same fr...

    Text Solution

    |

  8. Two mutually perpendicular simple harmonic vibrations have same amplit...

    Text Solution

    |

  9. The length of a pendulum is halved. Its energy will be

    Text Solution

    |

  10. The period of oscillation of a simple pendulum of constant length at e...

    Text Solution

    |

  11. A simple pendulum of length I and mass (bob) m is suspended vertically...

    Text Solution

    |

  12. A simple pendulum of length l has a maximum angular displacement theta...

    Text Solution

    |

  13. A simple pendulum of length 'L' has mass 'M' and it oscillates ...

    Text Solution

    |

  14. Starting from the extreme position, the time taken by an ideal simple ...

    Text Solution

    |

  15. A man measures time period of a pendulum (T) in stationary lift. If th...

    Text Solution

    |

  16. A simple pendulum is suspended from the ceilling of a left. When the l...

    Text Solution

    |

  17. A pendulum has time period T . If it is taken on to another planet hav...

    Text Solution

    |

  18. Time period of a pendulum on earth surface is T1. It is arranged on ea...

    Text Solution

    |

  19. If length of a simple pendulum is increased by 44%, then what is the g...

    Text Solution

    |

  20. In a seconds pendulum, mass of bob is 30 gm . If it is replaced by 90 ...

    Text Solution

    |