Home
Class 11
PHYSICS
A uniform thin rod of length 1m and mass...

A uniform thin rod of length `1m` and mass `3kg` is attached to a uniform thin circular disc of radius `30cm` and mass `1kg` at its centre perpendicular to its plane. The centre of mass of the combination from the centre of disc is

A

`0.375 m`

B

`2.532m`

C

`3.513m`

D

`2.125 m`

Text Solution

Verified by Experts

The correct Answer is:
A
`X_(cm)=(m_(2)d)/(m_(1)+m_(2))`
Promotional Banner

Topper's Solved these Questions

  • SYSTEM OF PARTICLES

    NARAYNA|Exercise Level-III|66 Videos

  • SYSTEM OF PARTICLES

    NARAYNA|Exercise NCERT based questions|15 Videos

  • SYSTEM OF PARTICLES

    NARAYNA|Exercise Level-1(C.W.)|64 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

The M.I. of a uniform semicircular disc of mass M and radius R about a line perpendicular to the plane of the disc and passing through the centre is

Moment of inertia of a uniform quarter disc of radius R and mass M about an axis through its centre of mass and perpendicular to its plane is :

Radius of gyration of a uniform circular disc about an axis passing through its centre of gravity and perpendicular to its plane is

A circular disc of radius R is removed from a bigger circular disc of radius 2R such that the circumference of the disc coincide. the centre of the mass of the new disc from the centre of bigger disc is is

Calculate moment of inertia of a uniform circular disc of mass 10 kg and diameter 0.5 m about a tangent perpendicular to the plane of the disc.

Centre Of Mass Of Uniform Semi Circular Disc

Calculate the moment of inertia of a disc of radius R and mass M, about an axis passing through its centre and perpendicular to the plane.

NARAYNA-SYSTEM OF PARTICLES-Level-II(C.W.)
  1. Three particles each of mass 2kg are at the corners of an equilateral ...

    Text Solution

    |

  2. The mass of a uniform ladder of length 5m is 20kg. A person of mass 60...

    Text Solution

    |

  3. A uniform thin rod of length 1m and mass 3kg is attached to a uniform ...

    Text Solution

    |

  4. Four identical particles each of mass m are arranged at the corners of...

    Text Solution

    |

  5. A circular hole of radius r is made in a disk of radius R and of unifo...

    Text Solution

    |

  6. The centre of mass of the letter F which is cut from a uniform metal s...

    Text Solution

    |

  7. Two identical thin uniform rods of length L each are joined to form T ...

    Text Solution

    |

  8. Figure shows a square plate of uniform thickness and side length sqrt ...

    Text Solution

    |

  9. Two particles of equal masses have velocities vec v1 = 4 hat i and vec...

    Text Solution

    |

  10. Two particles of masses p and q (p gt q) are separated by a distance d...

    Text Solution

    |

  11. The unit vector perpendicular to vec A = 2 hat i + 3 hat j + hat k and...

    Text Solution

    |

  12. An electron is moving with speed 2xx10^5 m//s along the positive x-dir...

    Text Solution

    |

  13. A particle of mass 80 units is moving with a uniform speed v=4 sqrt 2 ...

    Text Solution

    |

  14. The linear and angular velocities of a body in rotatory motion are 3 m...

    Text Solution

    |

  15. A stationary wheel starts rotating about its own axis at uniform rate ...

    Text Solution

    |

  16. A circular disc is rotating about its own axis at constant angular acc...

    Text Solution

    |

  17. A circular disc is rotating about its own axis at a uniform angular ve...

    Text Solution

    |

  18. Average torque on a projectile of mass m (initial speed u and angle of...

    Text Solution

    |

  19. A metal rod of uniform thickness and of length 1m is suspended at its ...

    Text Solution

    |

  20. A metallic rod of mass 20kg and of uniform thickness rests against a w...

    Text Solution

    |