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The centre of mass of a non uniform rod ...

The centre of mass of a non uniform rod of length `L` whoose mass per unit length varies as `p=kx^(2)//L`, (where `k` is a constant and `x` is the distance measured form one end) is at the following distances from the same end

A

`3L//4`

B

`L//4`

C

`2L//3`

D

`L//3`

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