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Consider following statements
P
(1) \( \mathrm{CM} \) of a uniform semicircular disc of radius
W
\( R=2 R / \pi \) from the centre
(2) \( \mathrm{CM} \) of a uniform semicircular ring of radius
\( R=4 R / 3 \pi \) from the centre
(3) \( \mathrm{CM} \) of a solid hemisphere of radius \( \mathrm{R}=4 \mathrm{R} / 3 \pi \) from the centre
(4) \( \mathrm{CM} \) of a hemisphere shell of radius \( R=R / 2 \) from the centre
Which statements are correct?
(1) \( 1,2,4 \)
(2) \( 1,3,4 \)
(3) 4 only
(4) 1,2 only
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