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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
- The displacement of a particle along the x-axis is given by x = a sin² ?t
- A body has 80 microcoulomb of charge. Number of additional electrons in it will be
- The number of photons of wavelength of 540 nm emitted per second by an electric bulb
- The innermost orbit of hydrogen atom has a diameter 1.06Å. The diameter of tenth
- A uranium nucleus ₉₂ U ²³⁸ emits an α-particle and a β-particle in succession.
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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