A) \[\sqrt{3}\,v\]
B) \[\sqrt{2}\,v\]
C) \[\sqrt{5}\,v\]
D) \[\sqrt{12}\,v\]
Correct Answer: A
Solution :
Escape velocity from the earth \[{{v}_{e}}=\sqrt{\frac{2GM}{R}}\] For a given planet \[{{v}_{p}}=\sqrt{\frac{2G(6M)}{2R}}=\sqrt{3}{{v}_{e}}=\sqrt{3}v\]
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