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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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(73)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When light of wavelength 300 nm falls on a photoelectric emitter,
- A person can see clearly objects only when they lie between 50 cm and 400 cm from
- An electron of mass Mₑ, initially at rest, moves through a certain distance in a uniform
- Huygen’s principle of secondary wavelets may be used to
- If A=4i+4j+4k and b=3i+j+4k, then angle between vectors A and B is
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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