A uniform ball of radius r rolls without slipping down from the top of a sphere of radius…

Physics · JEE Advanced · NTA Exams — Rotational Motion

1. \(\sqrt{\frac{5 g(R+r)}{17 r^{2}}}\)
2. \(\sqrt{\frac{\log (R+r)}{17 r^{2}}}\)
3. \(\sqrt{\frac{5 g(R-r)}{10 r^{2}}}\)
4. \(\sqrt{\frac{\log (R+r)}{7 r^{2}}}\)

Answer

(B) (R+r) 17 r^ 2

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