Home
Class 11
PHYSICS
A wire suspended vertically from one of ...

A wire suspended vertically from one of its ends is stretched by attaching a weight of 200 N to the lower end. The weight stretches the wire by 1 mm. Find the elastic energy stored in the wire.

A

0.2J

B

0.1J

C

20J

D

10J

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Unit Test - Gravitation

    MODERN PUBLICATION|Exercise Example|229 Videos

  • Viscosity

    MODERN PUBLICATION|Exercise Exercise|26 Videos

Similar Questions

Explore conceptually related problems

A wire is suspended from the ceiling and strecthed under the action of a weight F suspended form its other end. Teh force exerted by the ceiling on it is equal and opposite to the weight.

A straight horizontal conducting rod of length 0.45 m and mass 60 g is suspended by two vertical wires at its ends. A current of 5.0 A is set up in the rod through the wires. What will be the total tension in the wires if the direction of current is reversed keeping the magnetic field same as before? (Ignore the mass of the wires.) g = 9.8 m s^-2 .

A magnet is suspended vertically from a fixed point by means of a spring, as shown in the figure. One end of the magnet hangs inside a coil of wire. The coil is connected in series with a resistance R. The magnet is displaced vertically a small distance D and the released. shown in the figure variation with time t of the vertical displacement d of the magnet from its equilibrium position. State and explain, by reference to electromagnetic induction, the nature of the oscillations of the magnet. Calculate the angular frequency omega_0 of the oscillations.

A body of mass m is attached to one end of a massless spring which is suspended vertically from a fixed point. The mass is held in hand so that the spring is neither stretched nor compressed. Suddenly the support of the hand is removed. The lowest position attained by the mass during oscillation is 4 cm below the point, where it held in hand. Find the frequency of oscillation?

A body of mass m is attached to one end of a massless spring which is suspended vertically from a fixed point. The mass is held in hand so that the spring is neither stretched nor compressed. Suddenly the support of the hand is removed. The lowest position attained by the mass during oscillation is 4 cm below the point, where it held in hand. What is the amplitude of oscillation?

A guy wire attached to a vertical pole of height 18 m is 24 m long and has a stake attached to the other end. How far from the base of the pole should the stake be driven so that the wire will be taut ?

A current I=3.36 (1+2t)xx 10^-2 A increases at a steady rate in a long straight wire. A small circular loop of radius 10^-3 m has its plane parallel to the wire and is at a placed at a distance of 1 m from the wire. The resistance of the loop is 8.4 xx 10^-4 Omega . find the megnitude and the direction of the induced current in the loop.

A heavy wire is suspended from a roof but no weight is attached to it lower end. Is it under stress. Explain?

A stell wire of length 4 m ,is stretched through 2 mm ,.The corss - sectional area of the wire is 2.0 mm^2 .If young's modulus of steel si 2.0 xx 10 ^11 N//^2 find The elastic potential energy stored in the wire.

MODERN PUBLICATION-Unit test - Properties of bulk matter-Example
  1. A body cools from 80^@C to 50^@C in 5 minuts. Calculate the time it ta...

    Text Solution

    |

  2. A wire elongates by l mm when a load W is hanged from it. If the wire ...

    Text Solution

    |

  3. Two wires are made of the same material and have the same volume. Howe...

    Text Solution

    |

  4. If S is stress and Y is Young's modulus of material of a wire, find th...

    Text Solution

    |

  5. A wire fixed at the upper end stretches by length l by applying a forc...

    Text Solution

    |

  6. A wire suspended vertically from one of its ends is stretched by attac...

    Text Solution

    |

  7. Spherical balls of radius 'R' are falling in a viscous fluid of viscos...

    Text Solution

    |

  8. If the terminal speed of a sphere of gold (density =19.5kg//m^3) is 0....

    Text Solution

    |

  9. Water is flowing continuously from a tap having an internal diameter 8...

    Text Solution

    |

  10. A cylinder of height 20 m is completely or filled with water. Find the...

    Text Solution

    |

  11. A 20 cm long capillary tube is dipped in water. the water rises up to ...

    Text Solution

    |

  12. If two soap bubbles of different radii are connected by a tube

    Text Solution

    |

  13. Work done in increasing the size of a soap bubble from a radius of 3cm...

    Text Solution

    |

  14. The heat required to raise the temperature of a body by 1C degree is c...

    Text Solution

    |

  15. The temperature of the two outer surfaces of a composite slab, consist...

    Text Solution

    |

  16. One end of a thermally insulated rod is kept at a temperature T1 and t...

    Text Solution

    |

  17. Which of the following is more close to black body?

    Text Solution

    |

  18. The earth radiates in the infra-red region of the spectrum. The spectr...

    Text Solution

    |

  19. If the temperature of the sun were to increase from T to 2T and its ra...

    Text Solution

    |

  20. Two spheres of the same material have radii 1m and 4m and temperature ...

    Text Solution

    |