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

A uniform disc of radius R is put over another uniform disc of radius 2R of same thickness and density. The peripheres of the two discs touch eachother. The position of their centre of mass is

A

at `(R )/(3)` from the centre of the bigger disc towards the centre of the smaller disc

B

at `(R )/(5)` from the centre of the bigger disc towards the centre of the smaller disc

C

at `(2R)/(5)` from the centre of the bigger disc towards the centre of the smaller disc

D

non of the above

Text Solution

Verified by Experts

The correct Answer is:
B
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