⇦ | ![]() | ⇨ |
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:
- The area of cross-section of a steel wire (Y=2.0×10¹¹ N/m²) is 0.1 cm².
- Magnetic flux φ (in weber) linked with a closed circuit of resistance 10 Ω varies
- When the angle of incidence is 60° on the surface of a glass slab, it is found
- The electric potential at the surface of an atomic nucleus (z=50) of radius
- Two bodies A(of mass 1kg) and B(of mass 3 kg) are dropped from heights of 16m and 25m
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
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply