A) \[2{{v}_{e}}_{{}}\]
B) \[3{{v}_{e}}_{{}}\]
C) \[4{{v}_{e}}_{{}}\]
D) None of these
Correct Answer: A
Solution :
\[v=\sqrt{2gR}.\] If acceleration due to gravity and radius of the planet, both are double that of earth then escape velocity will be two times. i.e. \[{{v}_{p}}=2{{v}_{e}}\]
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