A) \[6.3\overset{\text{o}}{\mathop{\text{A}}}\,\] from the carbon atom
B) \[1\overset{\text{o}}{\mathop{\text{A}}}\,\] from the oxygen atom
C) \[0.63\overset{\text{o}}{\mathop{\text{A}}}\,\] from the carbon atom
D) \[0.12\overset{\text{o}}{\mathop{\text{A}}}\,\] from the oxygen atom
E) \[0.16\overset{\text{o}}{\mathop{\text{A}}}\,\] from the carbon atom
Correct Answer: C
Solution :
Let\[{{x}_{cm}}\]be distance of centre of mass from C-atom \[{{x}_{cm}}=\frac{{{m}_{1}}{{x}_{1}}+{{m}_{2}}{{x}_{2}}}{{{m}_{1}}+{{m}_{2}}}=\frac{12\times 0+16\times 1.1}{12+16}\] \[=0.63\overset{\text{o}}{\mathop{\text{A}}}\,\]
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