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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 the wave of hydrogen atom comes from infinity into the first orbit,
- One coolie takes 1 minute to raise a suitcase through a height of 2 m
- The moment of inertia of a thin uniform rod of mass M and length L about an axis
- A soap bubble oscillates with time period T, which in turn depends on the pressure
- When an α-particle of mass m moving with velocity ν bombards on a heavy nucleus
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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