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The centre of mass of two particles with...

The centre of mass of two particles with masses 2kg and 6 kg located at (1,1,1), (2,2,1) respectively has the coordinates

A

`((7)/(4),(7)/(4),(7)/(4))`

B

`((4)/(3),(4)/(3),(2)/(3))`

C

`((7)/(4),4,1)`

D

`((7)/(4),(7)/(4),1)`

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • The centre of mass of two particles with masses 2kg and 6kg located at (1, 1,1), (2, 2, 1) respectively has the coordinates

    A
    `((7)/(4),(7)/(4),(7)/(4))`
    B
    `((4)/(3),(4)/(3),(2)/(3))`
    C
    `((7)/(4),4,1)`
    D
    `((7)/(4),(7)/(4),1)`

  • Centre of mass of two particles with masses 2 kg and 1 kg located at (1,0,1) and (2,2,0) has the co-ordinates of

    A
    `(4)/(3),(2)/(3),(2)/(3)`
    B
    `(2)/(3),(4)/(3),(2)/(3)`
    C
    `(2)/(3),(2)/(3),(4)/(3)`
    D
    `(1)/(3),(2)/(3),(2)/(3)`

  • Centre of mass of two particles with masses 2 kg and 1 kg located at (1, 0, 1) and (2, 2, 0) has the co-ordinates of

    A
    `(4)/(3),(2)/(3),(2)/(3)`
    B
    `(2)/(3),(4)/(3),(2)/(3)`
    C
    `(2)/(3),(2)/(3),(4)/(3)`
    D
    `(1)/(3),(2)/(3),(2)/(3)`

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