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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
- A piece of marble is projected from the earth’s surface with velocity of 50 m/s
- Two wires of the same dimensions but resistivities p1 and p2 are connected in series
- Given a sample of radium-226 having half-life of 4 days. Find the probability,
- At 10⁰C the value of the density of a fixed mass of an ideal gas divided by its pressure
- Light of frequency 8×10¹⁵ Hz is incident on a substance of photoelectric work
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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