Physics Two Dimensional Motion Question 78
Question: In a circus stuntman rides a motorbike in a circular track of radius $ R $ in the vertical plane. The minimum speed at highest point of track will be
[CPMT 1979; JIPMER 1997; RPET 1999]
Options:
A) $ \sqrt{2gR} $ B)$ 2gR $ C) $ \sqrt{3gR} $ D) $ \sqrt{gR} $
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Answer:
Correct Answer: D
Solution:
Minimum speed at the highest point of vertical circular path $ v=\sqrt{gR} $