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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
- An electric motor operating on a 60 volt D.C supply draws a current of 10 amp.
- In a coil having e.m.f. of 8 V induced for 0.05 s. The value of current changes
- Two sound waves of wavelengths 5m and 6m formed 30 beats in 3 seconds
- Certain quantity of water cools from 70⁰ C to 60⁰C in the first 5 minutes and to 54⁰C
- The barrier potential of a p-n junction depends on
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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