Home
Class 11
PHYSICS
When a hollow sphere is rolling without ...

When a hollow sphere is rolling without slipping on a rough horizontal surface then the percentage of its total `K.E.` which is translational is

A

`72%`

B

`28%`

C

`60%`

D

`40%`

Text Solution

Verified by Experts

The correct Answer is:
C
`(KE_(T))/(KE_("TOTAL"))xx100=(1/(1+(K^(2))/(R^(2))))xx100`
Promotional Banner

Topper's Solved these Questions

  • SYSTEM OF PARTICLES

    NARAYNA|Exercise Level-II(C.W.)|64 Videos

  • SYSTEM OF PARTICLES

    NARAYNA|Exercise Level-III|66 Videos

  • SYSTEM OF PARTICLES

    NARAYNA|Exercise C.U.Q.|83 Videos

  • PHYSICAL WORLD

    NARAYNA|Exercise C.U.Q|10 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    NARAYNA|Exercise EXERCISE - IV|39 Videos

Similar Questions

Explore conceptually related problems

When a body is rolling without slipping on a rough horizontal surface, the work done by friction is :

A spherical ball of radius r and mass m is rolling without slipping on a horizontal table. Calculate the percentage of KE , which is translational.

A solid sphere rolls without slipping along a horizontal surface. What percentage of its total kinetic energy is rotational kinetic energy?

A hollow sphere is rolling without slipping on a rough surface. The ratio of translational kinetic energy to rotational kinetic energy is

A solid sphere is rolling without slipping on a horizontal plane. The ratio of its rotational kinetic energy and translational kinetic energy is

When a solid sphere is rolling along level surface the percentage of its total kinetic energy that is translational is

Rolling (with and without slipping) on horizontal and inclined surface

A circular disc of radius r is rolling without slipping on a horizontal surface. What is the ratio of the translational KE and rotational KE of disc ?

A 1 Kg solid sphere rolls without slipping on a rough horizontal suface as shown in figure. Select incorrect alternative

NARAYNA-SYSTEM OF PARTICLES-Level-1(C.W.)
  1. If the earth were to suddenly contract to 1//n^(th) of its present rad...

    Text Solution

    |

  2. A particle performing uniform circular motion gas angular momentum L. ...

    Text Solution

    |

  3. A ballet dancer is rotating about his own vertical axis at an angular ...

    Text Solution

    |

  4. A thin circular ring of mass M and radius r is rotating about its axis...

    Text Solution

    |

  5. A ballet dancer is rotating at angular velocity omega on smooth horizo...

    Text Solution

    |

  6. A particle of mass m is moving along a circle of radius r with a time ...

    Text Solution

    |

  7. If the radius of earth shrinks by 0.2% without change in its mass, the...

    Text Solution

    |

  8. A metallic circular plate is rotating about its axis without friction....

    Text Solution

    |

  9. A constant torque acting on a uniform circular wheel changes its angul...

    Text Solution

    |

  10. Density remaining constant, if earth contracts to half of its present ...

    Text Solution

    |

  11. A mass is whirled in a circular path with an angular momentum L. If th...

    Text Solution

    |

  12. An automobile engine develops 100 kilo-watt, when rotating at a speed ...

    Text Solution

    |

  13. An electric motor exerts a constant torque 5Nm on a fly wheel by which...

    Text Solution

    |

  14. A shaft rotating at 3000 rpm is transmitting a power of 3.14 KW. The m...

    Text Solution

    |

  15. A solid sphere rolls down without slipping from rest on a 30^@ incline...

    Text Solution

    |

  16. A hollow sphere rolls down a 30^@ incline of length 6m without slippin...

    Text Solution

    |

  17. For a body rolling along a level surface, the translational and rotati...

    Text Solution

    |

  18. A ring and a disc of same mass roll without slipping along a horizonta...

    Text Solution

    |

  19. When a hollow sphere is rolling without slipping on a rough horizontal...

    Text Solution

    |

  20. If a sphere of mass 2kg and diameter 10cm is rolling at speed of 5ms^(...

    Text Solution

    |