Home
Class 12
PHYSICS
A slab of mass 'm' is released from a he...

A slab of mass 'm' is released from a height x to the top a spring of force constant k. The maximum compression of the spring is y. Then

A

`mgh=(1)/(2)kx^(2)`

B

`mg(h-x)=(1)/(2)kx^(2)`

C

`mgh=(1)/(2)k(h+x)^(2)`

D

`mg(h+x)=(1)/(2)kx^(2)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • UNIT TEST PAPER NO. 3

    MODERN PUBLICATION|Exercise MCQ|34 Videos
  • UNIT TEST PAPER NO.4

    MODERN PUBLICATION|Exercise MCQ|31 Videos

Similar Questions

Explore conceptually related problems

A block of mass 'm' initially at rest is dropped from a height 'h' into a spring whose constant is k. The maximum distance through which the spring is compressed is :

A block of mass 2 kg is dropped from a height of 0-4 mon a spring whose force constant is 1960 N/m. What will be the maximum distance x of the compression of the spring ?

An ideal spring with spring-constants bung from the celling and a block of mass M is attached to its lower end. The mass is released with the spring initially unstretched. Then the maximum extension in the spring is:

Two rectangular blocks A and B of masses 2 kg and 3 gk respectively are connected by a spring of spring constant 10.8Nm^(-1) and are placed on a frictionless horizontal surface. The block A was given an initial velocity of 0.15 ms^(-1) in the direction shown in the figure. The maximum compression of the spring during the motion is

An object of mass M is attached to a vertical spring and in the equilibrium position the extension of the spring is x. The mass is raised upwards, till the extension of the spring is reduced to zero and then mass is released. The maximum extension of the spring in this case is

MODERN PUBLICATION-UNIT TEST PAPER NO.2 -MCQ
  1. A particle of mass m is moving with velocity v in horizontal circle un...

    Text Solution

    |

  2. A one kg stone attached to a chain 60 cm long is revolving at 3 rps. I...

    Text Solution

    |

  3. A thin circular ring of mass M and radius R is rotating about its cent...

    Text Solution

    |

  4. A stone of mass 10 kg is suspended vertically with a string with break...

    Text Solution

    |

  5. A block takes n times as much time to slide down a rough incline of 45...

    Text Solution

    |

  6. A heavy uniform chain lies on a horizontal table top and has a coeffic...

    Text Solution

    |

  7. A particle of mass m=3kg is moving under the action of a central force...

    Text Solution

    |

  8. A slab of mass 'm' is released from a height x to the top a spring of ...

    Text Solution

    |

  9. A solid sphere of mass 2 kg rolls on a smooth horizontal surface at a ...

    Text Solution

    |

  10. A particle of mass 5 g is moving with a speed of 3sqrt(2)cms^(-1) in X...

    Text Solution

    |

  11. A block slides down an inclined plane with an acceleration half the ac...

    Text Solution

    |

  12. A stone tied to a string of length L is whirled in a vertical circle w...

    Text Solution

    |

  13. A small block is placed at the top of smooth sphere. What will be the ...

    Text Solution

    |

  14. Two masses 1 gm and 4 gm are moving with equal kinetic energies. The r...

    Text Solution

    |

  15. A body of mass m(1) collides elastically and head on with another of m...

    Text Solution

    |

  16. A bullet is fired on to a wooden plank. In penetrating through it lose...

    Text Solution

    |

  17. The potential energy of a body of mass 'm' is U=ax+by, where x and y a...

    Text Solution

    |

  18. A cylinder of given material has a constant mass M. Find the ratio of ...

    Text Solution

    |

  19. The radius of gyration of a cylindrical rod of mass m and length L abo...

    Text Solution

    |

  20. The moment of inertia of a uniform semicircular wire of mass 'm' and r...

    Text Solution

    |