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Three particles of masses 8 kg, 4 kg and...

Three particles of masses 8 kg, 4 kg and 4 kg situated at (4,1), (-2,2) and (1,-3) are acted upon by external forces `6bar(j)N,-6 bar(i)N` and `14 bar(i)N`. The acceleration of centre of mass of the system is

A

`0.625 ms^(-2)`

B

`6.25 ms^(-2)`

C

`2.2 ms^(-2)`

D

`22 ms^(-2)`

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The correct Answer is:
A
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