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CGP EDU Academic Team
Published on: September 12, 2026
A planet having mass 9 M e and radius 4R e , where M e and R e are mass and radius of earth respectively, has escape velocity in km s -1 given by: (Given escape velocity on earth V e = 11. 2 x 10 3 m s -1 )
Text Solution
Verified by ExpertsThe correct answer is:
B
The escape velocity on earth is given by 
Escape velocity for the planet is
…(i)
The escape velocity of earth is V e = 11. 2 x 10 3 m s -1 From equation (i)
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