Home
Class 11
PHYSICS
An inelastic ball is dropped from a heig...

An inelastic ball is dropped from a height of 100 m.Due to earth 20 % of its energy is lost.to what height will the ball rise?

A

80 m

B

40 m

C

60 m

D

20 m.

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • WORK,ENERGY AND POWER

    JBD PUBLICATION|Exercise EXAMPLE|109 Videos
  • Thermodynamics

    JBD PUBLICATION|Exercise EXAMPLE|69 Videos

Similar Questions

Explore conceptually related problems

A ball is dropped from a height of 20 m and rebounds to a height of 10 m. The loss of energy is

A 2 kg ball is dropped from a height of 1. Find its kinetic energy just before hitting ground.

A ball is dropped from a height of 90 m on a floor. At each collision with the floor, the ball loses one tenth of its speed. Plot the speed-time graph of its motion between t = 0 to 12 s.

A body of mass 5 kg is dropped form a height o 1 m. Its kinetic energy just before reaching the ground is

A mass of 10 kg is dropped form a height of 50 cm. Find its kinetic energy just on touching the ground.

A ball is dropped from a height of 1 m.If coefficient of restitution between surface and ball is 0.6 ,the ball rebounds to a height of :

A ball dropped from a height 'h' reaches the ground in time 'T'. What is its height from the ground at time T/2 ?

A ball is dropped from a height of 5m. Find the velocity of the ball just before it reaches the ground. Do you require the value of mass to find the velocity?

A mass of 10 kg is dropped form a height of 50 cm. Find its potential energy just before dropping.

JBD PUBLICATION-WORK,ENERGY AND POWER-EXAMPLE
  1. An inelastic ball is dropped from a height of 100 m.Due to earth 20 % ...

    Text Solution

    |

  2. What is SI unit of work?

    Text Solution

    |

  3. What is the relation between watt and horse power?

    Text Solution

    |

  4. What is the S.I. unit of energy?

    Text Solution

    |

  5. What is the SI unit of power ?

    Text Solution

    |

  6. Can acceleration be produced without doing any work?

    Text Solution

    |

  7. What is the work done in holding a 15 kg suitcase whiel waiting for a...

    Text Solution

    |

  8. An arrow is shot from a bow, from where does it get kinetic energy?

    Text Solution

    |

  9. What kind of energy is stored in a dam?

    Text Solution

    |

  10. What kind of energy is stored in a spring?

    Text Solution

    |

  11. Is mass of a body conserved?

    Text Solution

    |

  12. What is the work done by centripetal force?/

    Text Solution

    |

  13. What it Einstein's mass energy relation?

    Text Solution

    |

  14. For a force to do maximum work, what should be the angle between force...

    Text Solution

    |

  15. Can potential nergy of an object be negative?

    Text Solution

    |

  16. Can KE of a system be increased or decreased without the application o...

    Text Solution

    |

  17. Is linear momentum of any system always conserved?

    Text Solution

    |

  18. Name motion in which momentum changes but K.E. remains constant.

    Text Solution

    |

  19. Out of joule ,calories ,kilowatt and million electron volt,which one i...

    Text Solution

    |

  20. Does the work done in raising a box on a platform depend upon how fast...

    Text Solution

    |

  21. How many ergs are there in one joule?

    Text Solution

    |