A) insider
B) insider
C) at the point of contact
D) None of these
Correct Answer: C
Solution :
[c] Let O (0,0) be the centre of sphere A then, \[{{x}_{cm}}=\frac{m\times 0+2m\times 3R}{m+2m}=2R\] =At the point of contactYou need to login to perform this action.
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