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Three identical spheres each of radius R...

Three identical spheres each of radius R are placed touching each other on a horizontal table. The centre of mass of the system is located

A

at one of the centres of the spheres

B

at the mid point joining the centres of any two spheres.

C

at the point of intersection of the medians of the triangle formed by the centres of the three spheres.

D

at the mid point of a median of the triangle formed by the centres of the three spheres.

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The correct Answer is:
C
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