Home
Class 12
PHYSICS
A horizontal platform with a mass of 100...

A horizontal platform with a mass of `100 kg` rotates at `10 (rpm)` around a vertical axis passing through its centre. A man of mass `60 kg` is standing on its edge. The platform begins to rotaté with an angular velocity `omega (rpm)`, if the man "moves from the edge of the platform to its centre. Regard the platform as a circular homogeneous disk and the man as a point mass. Find the value of `(3 omega)/(11)`.

Text Solution

Verified by Experts

The correct Answer is:
6
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    CENGAGE PHYSICS|Exercise QUESTION BANK|40 Videos
  • SEMICONDUCTOR ELECTRONIC : MATERIALS, DEVICES AND SIMPLE CIRCUITS

    CENGAGE PHYSICS|Exercise QUESTION BANK|12 Videos
CENGAGE PHYSICS-ROTATIONAL MOTION-Question Bank
  1. Four rods each of mass m form a square having length of diagonal b, ro...

    Text Solution

    |

  2. If the velocity is v=2 hat(i)-3 hat(j)+hat(k) and the position vector ...

    Text Solution

    |

  3. A horizontal platform with a mass of 100 kg rotates at 10 (rpm) around...

    Text Solution

    |

  4. The moment of inertia of a solid sphere of density rho and radius R 'a...

    Text Solution

    |

  5. A body of moment of inertia of 3kgm^(2) rotating with an angular veloc...

    Text Solution

    |

  6. A circular cdotdisc of radius R and thickness R / 6 has moment of iner...

    Text Solution

    |

  7. Three identical rods, each of length l, are joined to form a rigid equ...

    Text Solution

    |

  8. A solid sphere and a disc of same mass and radius starts rolling down ...

    Text Solution

    |

  9. A metre stick is balanced on a knife edge at its centre. When two coin...

    Text Solution

    |

  10. A particle of mass m is moving in y z -plane with a uniform velocity v...

    Text Solution

    |

  11. A semi circular disc start rotating (at t=0 ) with constant angular ac...

    Text Solution

    |

  12. An ice skater spins at 4 pi (rad) / (s) with her arms extended.If her ...

    Text Solution

    |

  13. A light string is wound several times around a spool of mass M and rad...

    Text Solution

    |

  14. A disc of mass 4 kg and radius 6 metre is free to rotate in horizontal...

    Text Solution

    |

  15. A disc of certain radius is cut from a disc of maiss 9 M and radius R....

    Text Solution

    |

  16. A uniform rod A B which is free to swing in the vertical plane about a...

    Text Solution

    |

  17. Figure shows a uniform disk, with mass M=2.4 kg and radius R=20 m, mo...

    Text Solution

    |

  18. A rope of negligible mass is wound round. a hollow cylinder of mass 3 ...

    Text Solution

    |

  19. A 60 (~g) and an 80 (~g) ball are fixed to the ends of a 28 (~cm) rod ...

    Text Solution

    |

  20. In the given figure, thin uniform rod A B of mass kg moves translation...

    Text Solution

    |