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A system consists of two masses connecte...

A system consists of two masses connected by a massless rod lies along x-axis. The distance of centre of mass from `O` is

A

`2m`

B

`3m`

C

`5m`

D

`7m`

Text Solution

Verified by Experts

The correct Answer is:
C
`x_(cm)=(m_(1)x_(1)+m_(2)x_(2))/(m_(1)+m_(2))`
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Knowledge Check

  • A system consisting of two masses connected by a massless rod lies along the x-axis. A 0.4 kg mass is at a distance x = 2 m while a 0.6 kg mass is at a distance r = 7 m. The x-coordinate of the centre of mass is

    A
    5 m
    B
    3.5 m
    C
    4.5 m
    D
    4 m

  • A system consisting of two masses connected by a massles rod, lies along the X axis. A body of mass 0.4 kg is kept at a distnce x=2m and another body of mass 0.6 kg is kept at the distance x=6 m from the origin. What is the x-coordinate of the centre of mass?

    A
    3m
    B
    4m
    C
    4.5m
    D
    4.4m

  • Two point masses m and M are separated by a distance L. The distance of the centre of mass of the system from m is

    A
    `L(m//M)`
    B
    `L(M//m)`
    C
    `L((M)/(m+M))`
    D
    `L((m)/(m+M))`
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