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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.
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The cylindrical tube of a spray pump has radius R, one end of which has n fine holes,
- Spectrum of X-rays is
- A man of 50 kg mass is standing in a gravity free space at a height
- Which of the following substances has the highest elasticity?
- A closely wound solenoid of 2000 turns and area of cross-section 1.5 x 10⁻⁴ m² carries
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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