Three masses of $2\,kg$, $4\, kg$ and $4\, kg$ are placed at the three points $(1, 0, 0)$ $(1, 1, 0)$ and $(0, 1, 0)$ respectively. The position vector of its center of mass is
Three masses of $2\,kg$, $4\, kg$ and $4\, kg$ are placed at the three points $(1, 0, 0)$ $(1, 1, 0)$ and $(0, 1, 0)$ respectively. The position vector of its center of mass is
- A
$\frac{3}{5}\,\hat i + \frac{4}{5}\,\hat j$
- B
$\left( {3\hat i + \hat j} \right)$
- C
$\frac{2}{5}\,\hat i + \frac{4}{5}\,\hat j$
- D
$\frac{1}{5}\,\hat i + \frac{4}{5}\,\hat j$
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