A) \[0.5g\,\text{m}{{\text{s}}^{\text{-2}}}\]
B) \[0.99g\,\text{m}{{\text{s}}^{\text{-2}}}\]
C) \[1.01g\,\text{m}{{\text{s}}^{\text{-2}}}\]
D) \[0.90g\,\text{m}{{\text{s}}^{\text{-2}}}\]
Correct Answer: B
Solution :
For height \[h\] above the earths surface \[g=g\left( 1-\frac{2h}{{{R}_{e}}} \right)=g\left( 1-\frac{64}{6400} \right)\] \[(\because \,{{R}_{e}}=6400\,km)\] \[=g(1-0.01)=0.99\,g\,m{{s}^{-2}}\]
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