Three identical spheres each of mass 
are placed touching one another with their centres in a straight line. Their centres are marked as 
respectively. The distance of centre of mass of the system from 
is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
As it is clear from the symmetry of the figure, that centre of mass of the system is at 
.
Its distance from 
is
Here, 
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