A disc of radius 'r' is removed from the disc of radius 'R' then

1.	A disc of radius 'r' is removed from the disc of radius 'R' then
Answer» The minimum shift in centre of mass is ZERO The MAXIMUM shift in centre of mass cannot be greater than `(r^(2))/((R+r))` Centre of mass must LIE where mass exists The shift in centre of mass is `(r^(2))/((R+r))` Answer :A::B

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