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A circular disc of radius R is removed from a bigger circular disc of radius 2R such that the circumferences of the discs coincide. The centre of mass of the new disc is α/R from the centre of the bigger disc. The value of α is
Options
(a) -1/4
(b) -1/3
(c) -1/2
(d) -1/6
Correct Answer:
-1/3
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Motion of system of Particles and Rigid Body
(73)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two balls of mass m₁ and m₂ are separated from each other by powder charge
- The moment of inertia of a thin uniform rod of mass M and length L about an axis
- An objective moves ,starting from rest through a resistive medium
- An air core coil and an electric bulb are connected in series with an AC source.
- Radioactivity of a sample at T₁ time is R₁ and at time T₂ is R₂. If half-life
Topics: Motion of system of Particles and Rigid Body (73)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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