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

1 cm

B

2 cm

C

3 cm

D

4 cm

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The correct Answer is:

C

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