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A uniform disc of radius R is put over a...

A uniform disc of radius R is put over another unifrom disc of radius 2R of the same thickness and density. The peripheries of the two discs touch each other. Locate the centre of mass of the system.

A

R/10

B

R/20

C

9R/10

D

11R/10

Text Solution

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The correct Answer is:
A
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