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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 parallel plate capacitor of a capacitance 1 pF has seperation between the plates
- A coil has an area of 0.05 m² and it has 800 turns. It is placed perpendicularly
- A satellite in a circular orbit of radius R has a period of 4 hours. Another satellite
- A wooden stick 2 m long is floating on the surface of water. The surface tension
- A small oil drop of mass 10⁻⁶kg is hanging in at rest between two plates seperated
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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