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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
- Equal currents are passing through two very long and straight parallel wires
- The control rods used in a nuclear reactor can be made up of
- A concave lens of focal length f forms an image which is 1/3 times the size
- In an ac circuit an alternating voltage e = 200 √2 sin 100 t volts is connected
- A coin placed on a rotating turn table just slips,if it is placed at a distance
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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