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Two discs of moment of inertia l₁ 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 combindly along the same axis the rotational KE of system will be
Options
(a) l₁?¬ツチ + I₂?¬ツツ / 2(l₁ + I₂)
(b) (l₁ + I₂)(?¬ツチ+ ?¬ツツ)² / 2
(c) (l₁?¬ツチ + I₂?)² / 2(l₁ + I₂)
(d) None of these
Correct Answer:
(l₁?¬ツチ + I₂?)² / 2(l₁ + I₂)
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A car moving with a speed of 50 kmh⁻¹ can be stopped by brakes after at least 6 m
- From a disc of radius R, a concentric circular portion of radius r is cut-out so
- When a ceiling fan is switched on, it makes 10 revolutions in the first 3s
- Which of the following parameters does not characterize the thermodynamic state
- A body of mass 3 kg is under a constant force which cause a displacement
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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