Two bodies of mass $1\,kg$ and $3\,kg$ have position vectors $\hat i\,\, + \,\,2\hat j\,\, + \,\,\hat k$ and $-\,3\hat i\,\, - \,\,2\hat j\,\, + \,\,\hat k$, respectively. The centre of mass of this system has a position vector
Two bodies of mass $1\,kg$ and $3\,kg$ have position vectors $\hat i\,\, + \,\,2\hat j\,\, + \,\,\hat k$ and $-\,3\hat i\,\, - \,\,2\hat j\,\, + \,\,\hat k$, respectively. The centre of mass of this system has a position vector
- A
$-\hat i\,\, + \,\,\hat j\,\, + \,\,\hat k$
- B
$-2\hat i\,\,+ \,\,2\hat k$
- C
$-2\hat i\,\, - \,\,\hat j\,\, + \,\,\hat k$
- D
$2\hat i\,\, - \,\,\hat j\,\, - \,\,2\hat k$
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