| ⇦ | 
| ⇨ |
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 identical loops of copper and aluminium are moving with the same speed
- A bar magnet of pole strength 10 A-m is cut into two equal parts breadthwise.
- A ball is dropped into a well in which the water level is at a depth h below the top
- The resistance of an ammeter is 13Ω and its scale is graduated for a current
- The potential energy of particle in a force field is U = A/r² – b/r, where A and B
Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The identical loops of copper and aluminium are moving with the same speed
- A bar magnet of pole strength 10 A-m is cut into two equal parts breadthwise.
- A ball is dropped into a well in which the water level is at a depth h below the top
- The resistance of an ammeter is 13Ω and its scale is graduated for a current
- The potential energy of particle in a force field is U = A/r² – b/r, where A and B
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