Track \( O A B C D \) (as shown is figure) is smooth and fixed
in vertical plane. What minimum s.... VIDEO
Track \( O A B C D \) (as shown is figure) is smooth and fixed
\( \mathrm{P} \)
in vertical plane. What minimum speed has to be given to a particle lying at point \( A \), so that it can reach point C?
(1) \( 60 \mathrm{~m} / \mathrm{s} \)
(2) \( 100 \mathrm{~m} / \mathrm{s} \)
(3) \( 70 \mathrm{~m} / \mathrm{s} \)
(4) \( 80 \mathrm{~m} / \mathrm{s} \)
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