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Two particles of masses 1 kg and 3 kg ha...

Two particles of masses 1 kg and 3 kg have position vectors `2hati+3hatj+4hatk and-2hati+3hatj-4hatk` respectively. The centre of mass has a position vector

A

`hati-3hatj-2hatk`

B

`-hati-3hatj-2hatk`

C

`-hati+3hatj+2hatk`

D

`-hati+3hatj-2hatk`

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The correct Answer is:
D
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