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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
- If longitudinal strain for a wire is 0.03 and its poisson’s ratio is 0.5
- Two masses of 9 g and 6 g are connected with a string which is passing over a frictionless
- A polarised light of intensity I₀ is passed through another polariser whose pass axis
- Laser beams are used to measure long distance because
- A particle performing uniform circular motion has angular momentum
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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