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Escape Speed

What will be ...

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What will be the escape speed from a planethaving volume 27 times that of earth and the samemean density as that of the earth? (Take escapespeed from the earth 11.2 km/s, earth and planetare perfectly sphere)

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Q. The escape velocity on a planet with radius double that of earth and mean density equal to that of earth will be (escape velocity on earth

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