A) \[\sqrt{\frac{Gm}{r}}\]
B) \[\sqrt{\frac{Gm}{2r}}\]
C) \[\sqrt{\frac{Gm}{4r}}\]
D) \[\sqrt{\frac{2\,Gm}{r}}\]
Correct Answer: B
Solution :
As, \[\frac{m{{V}^{2}}}{r/2}=\frac{G{{m}^{2}}}{{{r}^{2}}}\] \[\Rightarrow \] \[V=\sqrt{\frac{Gm}{2r}}\]You need to login to perform this action.
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