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A motor-cyclist drives a motor cycle in a vertical circle. His minimum velocity at the highest point of the circle will be
Options
(a) √2Rg
(b) √3Rg
(c) √Rg
(d) 2Rg
Correct Answer:
√Rg
Explanation:
Frictional force = Centripetal force mg = mv² / R ⇒ v² = mgR / m ⇒ v² = Rg Therefore, minimum velocity v = √Rg
Related Questions: - The horizontal range and maximum height attained by a projectile are R and H,respectively
- Which of the following, is a vector quantity?
- The quantity having the same units in all systems of unit is
- The half life of a radioactive isotope ‘X’ is 20 years. It decays to another element Y
- Ratio of longest wavelengths corresponding to Lyman and Balmer series in hydrogen
Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The horizontal range and maximum height attained by a projectile are R and H,respectively
- Which of the following, is a vector quantity?
- The quantity having the same units in all systems of unit is
- The half life of a radioactive isotope ‘X’ is 20 years. It decays to another element Y
- Ratio of longest wavelengths corresponding to Lyman and Balmer series in hydrogen
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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