⇦ | ⇨ |
A thin and circular disc of mass M and radius R is rotating in a horizontal plane about an axis passing through its centre and perpendicular to its plane with an angular velocity ?.If another disc of same dimensions but of mass M/4 is placed gently on the first disc coaxially, then the new angular velocity of the system is
Options
(a) 5 /4 ω
(b) 2 / 3 ω
(c) 4 / 5 ω
(d) 3 / 2 ω
Correct Answer:
4 / 5 ω
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - The equiconvex lens has focal length f. If it is cut perpendicular to the principal
- The wheel of a car is rotating at the rate of 1200 rev/min. On pressing
- A stone falls freely under gravity. It covers distances h1, h2 and h3 in the first 5 secs
- Consider 3rd orbit of He⁺(helium), using non-relativistic approach, the speed
- In a P-N junction
Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The equiconvex lens has focal length f. If it is cut perpendicular to the principal
- The wheel of a car is rotating at the rate of 1200 rev/min. On pressing
- A stone falls freely under gravity. It covers distances h1, h2 and h3 in the first 5 secs
- Consider 3rd orbit of He⁺(helium), using non-relativistic approach, the speed
- In a P-N junction
Topics: Motion in Plane (93)
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