With what minimum speed v must a small ball should be pushed inside a smooth vertical…
Physics · JEE Advanced · NTA Exams — Rotational Motion
With what minimum speed v must a small ball should be pushed inside a smooth vertical tube from a height h so that it may reach the top of the tube ? Radius of the tube is R.
- \(\sqrt{2 g(h+2 R)}\)
- \(\frac{5}{2} \mathrm{R}\)
- \(\sqrt{g(5 R-2 h)}\)
- \(\sqrt{2 g(2 R-h)}\)
Answer
(D) 2 g(2 R-h)
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