A) \[1\,m/{{s}^{2}}\]
B) \[2.5\,m/{{s}^{2}}\]
C) \[4.5\,m/{{s}^{2}}\]
D) \[10\,\,m/{{s}^{2}}\]
Correct Answer: B
Solution :
\[\frac{g}{g'}=\frac{{{({{R}_{e}}+h)}^{2}}}{R\,_{e}^{2}}\] \[\frac{g}{g'}=\frac{{{(2{{R}_{e}})}^{2}}}{R\,_{e}^{2}}\] \[\frac{g}{g'}=4\] \[\Rightarrow \]\[g'=\frac{g}{4}\] \[=\frac{10}{4}=2.5\,m/{{s}^{2}}\]
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