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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
- If A=3i+4j and B=7i+24j the vector having the same magnitude as B and parallel to A is
- The identical cells connected in series are needed to heat a wire of length one meter
- A block of mass 0.50 kg is moving with a speed of 2.00 ms⁻¹ on a smooth surface.
- The name of ions knocked out from the hot surface is
- In a n-type semiconductor, which of the following statement is true?
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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