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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 particle moves in a straight line with a constant acceleration
- A condenser of 250 μF is connected in parallel to a coil of inductance of 0.16 mH
- When a radioactive substance emits an ∝ particle, its position in the periodic table
- Charge passing through a conductor of cross-section area A=0.3 m² is given
- Radioactivity of a sample at T₁ time is R₁ and at time T₂ is R₂. If half-life
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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