The maximum and minimum distances of a planet from the centre of the sun are \( 2 R \) and \( 4 ....

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The maximum and minimum distances of a planet from the centre of the sun are \( 2 R \) and \( 4 R \) respectively, where \( R \) is
\( \mathrm{P} \)
radius of sun. Let \( M \) be the mass of sun.

The maximum speed of planet is
(1) \( \sqrt{\frac{G M}{6 R}} \)
(2) \( \sqrt{\frac{2 G M}{3 R}} \)
(3) \( \sqrt{\frac{G M}{R}} \)
(4) \( \sqrt{\frac{G M}{2 R}} \)


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