A satellite \( A \) of mass \( m \) is at a distance of \( r \) fro...

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A satellite \( A \) of mass \( m \) is at a distance of \( r \) from the centre of the earth. Another satellite \( B \) of mass \( 2 m \) is at a distance of \( 2 r \) from the earth's centre. Their time
P periods are in the ratio of

W
(a) \( 1: 2 \)
(b) \( 1: 16 \)
(c) \( 1: 32 \)
(d) \( 1: 2 \sqrt{2} \)
(1993)
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