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Particles of masses 1gm, 2gm, 3gm and 4 ...

Particles of masses 1gm, 2gm, 3gm and 4 gm are placed at x = 1 cm, x = 2cm, x = 3 cm, x = 4 cm respectively. Then `X_(cm)=`

A

`1cm`

B

`2cm`

C

`3cm`

D

`4cm`

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The correct Answer is:
C
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