A) \[T=2\pi \sqrt{\frac{{{R}_{e}}}{g}}\]
B) \[T=2\pi \sqrt{\frac{2\,{{R}_{e}}}{g}}\]
C) \[T=2\pi \sqrt{\frac{{{R}_{e}}}{2g}}\]
D) \[T=2\] seconds
Correct Answer: A
Solution :
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