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Thin uniform rod of length L, cross-sectional area A and density ρ is rotated about an axis passing through centre and perpendicular to its length with angular velocity ?. What will be its rotational energy?
Options
(a) ρAL³?ￂﾲ/24
(b) ρAL²?ￂﾲ/12
(c) ρAL³?ￂﾲ/12
(d) ρA²L?ￂﾲ/24
Correct Answer:
ρAL³?ￂﾲ/24
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
- Efficiency of a Carnot engine is 50% when temperature of sink is 500K. In order
- The range of voltmeter is 10V and its internal resistance is 50Ω.
- During an adiabatic process, the cube of the pressure is found to be inversely
- When a mass M is attached to a spring of force constant K,
- A very small circular loop of radius a is initially (at t=0) coplanar and concentric
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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