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The mass of a uniform ladder of length 6...

The mass of a uniform ladder of length 6m is 20kg. A mass 60kg is placed on the ladder at a height of 2m from the bottom. The position of centre of mass from the bottom is

A

`1m`

B

`2.5m`

C

`3.5m`

D

`2.125m`

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The correct Answer is:
D
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