A) \[40\]
B) \[80\]
C) \[50\]
D) \[0.01\]
Correct Answer: A
Solution :
The situation can be shown as: Let radius of complete disc is \[a\] and that of small disc is\[b\]. Also let centre of mass now shirts to\[{{O}_{2}}\] at a distance \[{{x}_{2}}\] from original centre.You need to login to perform this action.
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