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Particle of masses m, 2m,3m,…,nm grams a...

Particle of masses `m, 2m,3m,…,nm` grams are placed on the same line at distance `l,2l,3l,…..,nl cm` from a fixed point. The distance of centre of mass of the particles from the fixed point in centimeters 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

Verified by Experts

The correct Answer is:
A
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