A) 5.6 km/s
B) 11.2 km/s (remain unchanged)
C) 22.4 km/s
D) 44.8 km/s
Correct Answer: C
Solution :
\[{{v}_{e}}=\sqrt{\frac{2GM}{R}}\]\ \[{{v}_{e}}\propto \sqrt{\frac{M}{R}}\] If M becomes double and R becomes half then escape velocity becomes two times.You need to login to perform this action.
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