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A coin of mass m and radius r having moment of inertia I about the axis passes through its centre and perpendicular to its plane. It is beaten uniformly to form a disc of radius 2r. What will be the moment of inertia about the same axis?
Options
(a) I
(b) 2I
(c) 4I
(d) 16I
Correct Answer:
4I
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
- A particle moves a distance x in time but according to equation x=(t+5)⁻¹
- A ballon rises from rest with a constant acceleration g/8. A stone is released
- A rod of weight W is supported by two parallel knife edge A and B
- If the minimum energy of photons needed to produce photoelectrons is 3 eV,
- A solid cylinder of mass 50kg and radius 0.5 m is, free to rotate about the horizontal axis
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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