A) \[{{r}^{4}}\]
B) \[1/{{r}^{3}}\]
C) \[{{r}^{3}}\]
D) \[{{r}^{2}}\]
Correct Answer: A
Solution :
\[F\propto \frac{{{m}_{1}}{{m}_{2}}}{{{d}^{2}}},\] from the figure, \[d=2r\]You need to login to perform this action.
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