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Particles of masses m, 2m, 3m, …….., nm ...

Particles of masses `m, 2m, 3m, …….., nm` are placed on the same line at distance from O. The distance of centre of mass from O is

A

`((2n+1)l)/(3)`

B

`(l)/(n+1)`

C

`(n(n^(2)+1)l)/(2)`

D

`(2l)/(n(n^(2)+1))`

Text Solution

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The correct Answer is:
A
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