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Two discs of moment of inertia I₁ and I₂ and angular speeds ?¬ツチ and ?¬ツツ are rotating along collinear axes passing through their centre of mass and perpendicular to their plane. If the two are made to rotate jointly along the same axis, the rotational K.E. of system will be
Options
(a) I₁?¬ツチ+I₂?¬ツツ/2(I₁+I₂)
(b) (I₁+I₂)(?¬ツチ+?¬ツツ)/2
(c) (I₁?¬ツチ+I₂?¬ツツ)²/2(I₁+I₂)
(d) None of these
Correct Answer:
(I₁?¬ツチ+I₂?¬ツツ)²/2(I₁+I₂)
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
- Dimensions of Torque are
- An alpha nucleus of energy 1/2 mv² bombards a heavy nuclear target of charge Ze
- If a solid ball of metal has a concentric spherical cavity with in it if the ball
- The numebr 0 (zero) is required for
- A long straight wire carrying current of 30A is placed in an external uniform
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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