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Eight solid uniform cubes of edge l are stacked together to form a single cube with centre O. One cube is removed from this system. Distance of the centre of mass of remaining 7 cubes from O is
 

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By Expert Faculty of Sri Chaitanya
a
73l16
b
3l16
c
3l14
d
zero

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detailed solution

Correct option is C

m1x1 = m2x2⇒m32l = 7mx2   ⇒ x2 = 3l14


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