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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: - 34 gram of water at 30⁰C is poured into a calorimeter at 15⁰C.
- A cricketer catches a ball of mass 150 g in 0.1 sec moving with speed 20 m/s
- A liquid boils when its vapour pressure equals
- An electron of mass Mₑ, initially at rest, moves through a certain distance in a uniform
- What is the Q-value of the reaction?
¹H+⁷Li→⁴He+⁴He
Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- 34 gram of water at 30⁰C is poured into a calorimeter at 15⁰C.
- A cricketer catches a ball of mass 150 g in 0.1 sec moving with speed 20 m/s
- A liquid boils when its vapour pressure equals
- An electron of mass Mₑ, initially at rest, moves through a certain distance in a uniform
- What is the Q-value of the reaction? ¹H+⁷Li→⁴He+⁴He
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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