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Answer the following questions : Let t...

Answer the following questions :
Let the period of revolution of a planet at a distance R from a star be T. Prove that if it was at a distance of 2R from the star, its period of revolution will be `sqrt8T`.

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Let the period of revolution of a planet at a distance R from a star be T. Prove that if it was at a distance of 2R from the star, its period of revolution will be sqrt(8)T .

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NAVNEET PUBLICATION-GRAVITATION-EXERCISE
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