A) 8 R
B) 9 R
C) 10 R
D) 20 R
Correct Answer: B
Solution :
\[\frac{{{g}'}}{g}=\,{{\left( \frac{R}{R+h} \right)}^{2}}\Rightarrow \frac{1}{100}\,=\,{{\left( \frac{R}{R+h} \right)}^{2}}\Rightarrow h=9R\]You need to login to perform this action.
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