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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.
Related Questions: - which of the following can not be emitted by radioactive substances during their decay?
- A circuit contains an ammeter, a battery of 30 V and a resistance 40.8 ohm
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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
- which of the following can not be emitted by radioactive substances during their decay?
- A circuit contains an ammeter, a battery of 30 V and a resistance 40.8 ohm
- A body of mass m is orbiting the earth at a radius r from the center of earth
- A proton and helium nucleus are shot into a magnetic field at right angles to the field
- A body of mass 2 kg travels according to the law x(t)=pt+qt²+rt³
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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