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A cord is wound round the circumference of wheel of radius r.The axis of the wheel is horizontal and moment of inertia about it is I.A weight mg is attached to the end of the cord and fills from the rest .After falling through a distance h, the angular velocity of the wheel will be
Options
(a) √2gh / (1 + mr)
(b) √2mgh / (1 + mr²)¹/²
(c) √2mgh / (1 +2mr²)¹/²
(d) √2gh
Correct Answer:
√2mgh / (1 + mr²)¹/²
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When a ceiling fan is switched off its angular velocity reduces to 50% while
- The amplitude of S.H.M. y=2 (sin 5πt+√2 cos 5πt) is
- Depletion layer contains
- If μᵥ=1.5230 and μʀ=15.145, then dispersive power of crown glass is
- The oscillation of a body on a smooth horizontal surface is represented by the equation
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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