Home
Class 11
PHYSICS
A rubber ball falling from a height of 5...

A rubber ball falling from a height of `5 m` rebounds from hard floor to a height of `3.5 m`. The `%` loss of energy during the impact is

A

`20 %`

B

`30 %`

C

`43 %`

D

`50 %`

Text Solution

Verified by Experts

The correct Answer is:
`(2)`

percentage loss of energy ` = (h_(1) - h_(2))/(h_(1)) xx 100%`
Promotional Banner

Topper's Solved these Questions

  • WORK , ENERGY & POWER

    NARAYNA|Exercise EXERCISE -III|54 Videos
  • WORK , ENERGY & POWER

    NARAYNA|Exercise EXERCISE IV|43 Videos
  • WORK , ENERGY & POWER

    NARAYNA|Exercise EXERCISE -II (C.W)|75 Videos
  • WAVES

    NARAYNA|Exercise Exercise-IV|56 Videos
  • WORK POWER AND ENERGY

    NARAYNA|Exercise Level-VI (Integer)|12 Videos

Similar Questions

Explore conceptually related problems

A body falling from a height of 10 m rebounds from the hard floor . It

A body falling from a height of 10m rebounds from hard floor. If it loses 20% energy in the impact, then coefficient of restitution is

A body dropped from a height of 20 m rebounds to a height of 15 m. What is the loss is energy?

A ball is dropped form a height of 20 cm . Ball rebounds to a height of 10 cm . What is the loss of energy ?

A rubber ball of mass 50 g falls from a height of 5m and rebounds to a height of 1.25 m. Find the impulse and the average force between the ball and the ground if the time for which they are in contact was 0.1s

A ball falls on the ground fro a height of 2.0 m and rebounds up to a height of 1.5 m. Find the coefficient of restitution.

A ball falls from a height of 10 m. On rebounding, it loses 30% energy. The ball goes upto a height of

A ball is allowed to fall from rest on a horizontal floor from a height of 10m . If there is 20% loss of energy due to impact, then after one impact ball will go upto

A ball falls on the ground from a height of 10m and rebounds to a height of 8m. What is the percentage loss kinetic energy of the ball? (g=10m//s^(2))

A plastic ball falls from a height of 4.9 metre and rebounds several times from the floor. What is the coefficient of restitution during the impact with the floor if 1.3 seconds pass from the first impact to the second one ?

NARAYNA-WORK , ENERGY & POWER -EXERCISE -II (H.W)
  1. A body of mass m is allowed to fall with the help of string with downw...

    Text Solution

    |

  2. Acceleration versus time graph of a particle moving in a straight line...

    Text Solution

    |

  3. A rubber ball falling from a height of 5 m rebounds from hard floor to...

    Text Solution

    |

  4. An elastic spring is compressed between two blocks of masses 1 kg and ...

    Text Solution

    |

  5. A block of mass 2 kg is on a smooth horizontal surface. A light of for...

    Text Solution

    |

  6. n' identical cubes each of mass 'm' and edge 'L' are on a floor. If th...

    Text Solution

    |

  7. A vertically projected body attains the maximum height in 6s. The rati...

    Text Solution

    |

  8. The kinetic energy K of a particle moving along a circle of radius R d...

    Text Solution

    |

  9. A uniform chain of mass m and length l is placed on a smooth table so ...

    Text Solution

    |

  10. These diagrams represent the potential energy U of a diatomic molecule...

    Text Solution

    |

  11. The potential energy of a particle of mass 5 kg moving in the x-y plan...

    Text Solution

    |

  12. A particle of mass m1 is moving with a velocity v(1) and another parti...

    Text Solution

    |

  13. The potential energy of a certain spring when stretched through a dist...

    Text Solution

    |

  14. Match the following {: ( "Column I", " Column II"),( "(A)Work", " (p...

    Text Solution

    |

  15. When a bullet is fired a target, its velocity dwecreases by half after...

    Text Solution

    |

  16. A bullet of mass 10 gm is fired horizontally with a velocity 1000 ms^(...

    Text Solution

    |

  17. A block of mass 5 kg is initially at rest on a rough horizontal surfac...

    Text Solution

    |

  18. A block of mass m = 25 kg on a smooth horizontal surface with a veloci...

    Text Solution

    |

  19. A body freely falls from a certain height onto the ground in a time 't...

    Text Solution

    |

  20. The potential energy function for the force between two atoms in a dia...

    Text Solution

    |