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Two particles of equal masses are revolving in circular paths of radii \( r_{1} \) and \( r_{2} \), respectively, with the same speed. The ratio of their centripetal forces is
(A) \( \frac{r_{2}}{r_{1}} \)
(B) \( \sqrt{\frac{r_{2}}{r_{1}}} \)
(C) \( \left(\frac{r_{1}}{r_{2}}\right)^{2} \)
(D) \( \left(\frac{r_{2}}{r_{1}}\right)^{2} \)
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