AP EAMCET · PHYSICS · Laws of Motion
In a circus, a stuntman rides a motor bike in a vertical circular track of radius \(r\). Find the minimum speed, he must maintain at highest point of track.
- A \(\sqrt{2 g r}\)
- B \(2 \sqrt{g r}\)
- C \(\sqrt{g r}\)
- D \(\sqrt{5 g r}\)
Answer & Solution
Correct Answer
(C) \(\sqrt{g r}\)
Step-by-step Solution
Detailed explanation
For motion in vertical circle, to complete the revolution of moving body, the minimum speed of body at lowest point and highest point should be \(\sqrt{5 g r}\) and \(\sqrt{g r}\) respectively, where \(r\) is the radius of circular path. Hence, in circus, for completing vertical…
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