AP EAMCET Medical 2017 Shift 1 Paper

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Question : 89 of 160
 
Marks: +1, -0
The centre of mass of a system of three particles of masses 1g. 2g and 3g is at the origin of a co-ordinate system. If a particle of mass 4 g and having position vector α (
^
i
+2
^
j
+3
^
k
)
is added to the tliree particle system, then the centre of mass of the four-particle system becomes (1.2.3). The value of α is
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