Home
Class 12
PHYSICS
A dics of mass 400gm is rolling in a hor...

A dics of mass 400gm is rolling in a horizontal surface with uniform velocity of 2m/s . calculate its total K.E.

A

2J

B

2.1 J

C

1.2 J

D

None

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A STRAIGHT LINE

    MBD PUBLICATION|Exercise QUESTION BANK|193 Videos

  • MOVING CHARGES AND MAGNETISM

    MBD PUBLICATION|Exercise QUESTION BANK|148 Videos

Similar Questions

Explore conceptually related problems

Uniform solid sphere of mass 10 kg is rolling on horizintal plane with linear velocity 2 m/s . find the total kinetic energy of the sphere.

A body of mass 5 kg rotates in a circle of radius 2m with a uniform speed of 3 m/s calculate the centripetal force

A body of mass 1 kg is revolving in horizontal circle of radius 2 m. it is performs 420 r.p.m. Calculate Linear velocity

A body of mass 1 kg is revolving in horizontal circle of radius 2 m. it is performs 420 r.p.m. Calculate Period

A body of mass 1 kg is revolving in horizontal circle of radius 2 m. it is performs 420 r.p.m. Calculate Centripetal acceleration

A body of mass 1 kg is revolving in horizontal circle of radius 2 m. it is performs 420 r.p.m. Calculate Centripetal force

A body of mass 1 kg is revolving in horizontal circle of radius 2 m. it is performs 420 r.p.m. Calculate Angular velocity

MBD PUBLICATION-MOTION OF SYSTEM OF PARTICLES AND RIGID BODY-QUESTION BANK
  1. What is the radius of gyration of a thin uniform rod ofb length l abou...

    Text Solution

    |

  2. A uniform thin bar is of mass 4 kg and length 2 m. the M.I. of bar abo...

    Text Solution

    |

  3. A dics of mass 400gm is rolling in a horizontal surface with uniform v...

    Text Solution

    |

  4. A flywheel of mass 4 kg has radius of gyration 0.4m . calculate the ki...

    Text Solution

    |

  5. The kinetic energy of uniformly rotating disc is 31.56 J. calculate it...

    Text Solution

    |

  6. A ring is rolling on a surface without slipping. what is the ration of...

    Text Solution

    |

  7. When a sphere rolls without slipping the ratio of its kinetic energy o...

    Text Solution

    |

  8. A circular disc is rolling in a horizontal plane. its total K.E. is 30...

    Text Solution

    |

  9. Total K.E. of a solid sphere of mass M rolling with velocity v is

    Text Solution

    |

  10. A dices of mass M and radius R rolls without slipping on a leveled sur...

    Text Solution

    |

  11. What fraction of the total K.E. of a rolling ring is translational? (a...

    Text Solution

    |

  12. A body of mass 5 kg rotates at the rate of 5 Hz. if its radius of gyra...

    Text Solution

    |

  13. Assume earth to be a solid sphere of uniform density and radius 6.4 x ...

    Text Solution

    |

  14. The ratio of rotational and translational kinetic energies of sphere i...

    Text Solution

    |

  15. If a flywheel of mass 20 kg and diameter 1 m is rotation at 300 rpm.Wh...

    Text Solution

    |

  16. A body of M.I. of 3 kg xx m^2 rotation with an angular speed of 2 rad/...

    Text Solution

    |

  17. The torque necessary to produce an angular acceleration of 25 rad//s^2...

    Text Solution

    |

  18. A torque of magnitude 400 Nm acting on a body of mass 40kg produces an...

    Text Solution

    |

  19. A body starts rotating from rest due to a couple of 20 Nm and complete...

    Text Solution

    |

  20. The torque necessary to produce an angular acceleration of 25 rad//s^2...

    Text Solution

    |