Home
Class 11
PHYSICS
An inelastic ball falls from a height of...

An inelastic ball falls from a height of `100` metres. It loses `20%` of its total energy due to impact. The ball will now rise to a height of

A

`80 m`

B

`120 m`

C

`60m`

D

`9.8 m`

Text Solution

Verified by Experts

The correct Answer is:
A
With `80%` of available energy it can rise to height
`h' = 0.8h`
Promotional Banner

Topper's Solved these Questions

  • COLLISION

    NARAYNA|Exercise Level-II (H.W)|54 Videos

  • COLLISION

    NARAYNA|Exercise Subjective type Questions|9 Videos

  • CIRCULAR MOTION

    NARAYNA|Exercise LEVEL II(H.W)|51 Videos

  • FRICTION

    NARAYNA|Exercise Passage type of questions I|6 Videos

Similar Questions

Explore conceptually related problems

An inelastic ball is dropped from a height 100 meter. If due to impact it loses 35% of its energy the ball will rise to a height of

A ball is allowed to fall from a height of 10m . If there is 40% loss of energy due to impact, then after one impact ball will go up to

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

A body is allowed to fall freely under gravity from a height of 10m. If it looses 25% of its energy due to impact with the ground, then the maximum height it rises after one impact is

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 is dropped from a height of 100 m. At the surface of the earth, 20% of its energy is lost. To what height the ball will rise?

A glass ball is dropped from height 10 m. If there is 15% loss of energy due to impact, then after one impact, the ball will go upto.

NARAYNA-COLLISION-Level-I (H.W)
  1. If the kinetic energy of a body increases by 125%, the percentage incr...

    Text Solution

    |

  2. The kinetic energy of a body is 'K'. If one-fourth of its mass is remo...

    Text Solution

    |

  3. An inelastic ball falls from a height of 100 metres. It loses 20% of i...

    Text Solution

    |

  4. A woman weighing 63 kg eats plum cake whose energy content is 9800 cal...

    Text Solution

    |

  5. A spring of spring constant 5 xx 10^(3) N//m is stretched initially by...

    Text Solution

    |

  6. A spring with spring constant K when stretched through 1 cm, the poten...

    Text Solution

    |

  7. A body moving with a kinetic energy of 6J cmes to rest at a distance o...

    Text Solution

    |

  8. A ship of mass 3xx10^7kg initially at rest, is pulled by a force of 5x...

    Text Solution

    |

  9. A vehicle of mass 1000 kg is moving with a velocity of 15 ms^(-1).It i...

    Text Solution

    |

  10. The workdone to accelerate a body from 30 ms^(-1) to 60 ms^(-1) is thr...

    Text Solution

    |

  11. A block of mass 4 kg is initially at rest on a horizontal frixtionless...

    Text Solution

    |

  12. A block of mass 4 kg slides on a horizontal frictionless surface with ...

    Text Solution

    |

  13. At what height above the ground must a mass of 5 kg be to have its PE ...

    Text Solution

    |

  14. A body slides down a fixed curved track that is one quadrant of a circ...

    Text Solution

    |

  15. An electric motor in a crane while lifting a load produces a tension o...

    Text Solution

    |

  16. An electric motor operates with an efficiency of 90%. A pump operated ...

    Text Solution

    |

  17. A machine gun fires 420 bullets per minute. The velocity of each bulle...

    Text Solution

    |

  18. A 1 kg mass at rest is subjected to an acceleration of 5m//s^(2) and t...

    Text Solution

    |

  19. If the power of the motor of a water pump is 3kW, then the volume of w...

    Text Solution

    |

  20. A particle moves with a velocity (5 hat(i)+3 hat(j)+6 hat(k)) m//s und...

    Text Solution

    |