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A uniform disc of diameter R/2 is put ov...

A uniform disc of diameter R/2 is put over another uniform disc of diameter R of same thickness and density. The peripheries of the two disc touch each other. The centre of mass of the system from centre of big disc is

A

`R//10`

B

`R//20`

C

`9R//10`

D

`11R//10`

Text Solution

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The correct Answer is:
B
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