A) 5.6 km/s
B) 11.2 km/s
C) 44.8 km/s
D) 22.4 km/s
Correct Answer: D
Solution :
Escape velocity, \[{{v}_{e}}=\sqrt{\frac{2GM}{R}}=\sqrt{\frac{2G\times 2M}{R/2}}\] \[=2\sqrt{\frac{2GM}{R}}=2\times 11.2\,km/s\] \[=22.4\text{ }km/s\]You need to login to perform this action.
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