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A system consists of two masses connec...

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

    A
    `0.21 m`
    B
    `0.35 m`
    C
    `0.42 m`
    D
    `0.48 m`
  • 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
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