An object comprises of $a$ uniform ring of radius $R$ and its uniform chord $AB$ (not necessarily made of the same material) as shown. Which of the following can not be the centre of mass of the object

37-745

  • A

    $(R/3, R/3)$

  • B

    $(R/3, R/2)$

  • C

    $(R/ \sqrt 2 , R \sqrt 2)$

  • D

    both $(B)$ and $(C)$

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