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The escape velocity from the earth is . The escape velocity from a planet having twice the radius and the same mean density is


Question ID - 55012 | Toppr Answer

The escape velocity from the earth is . The escape velocity from a planet having twice the radius and the same mean density is

1 Answer - 5876 Votes

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Answer Key : (22.4) -

Escape velocity from the earth

Let the mass, radius and density of earth be  respectively and for given planet mass, radius and density are  respectively.

 Escape velocity from the earth

Similarly, escape velocity from the given planet

Dividing Eq. (i) by Eq. (ii) we get



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