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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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e=300 sin[(100 π)t] V
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- What determines the nature of the path followed by the particle?
- The average power dissipated in a pure inductor is
- A block of mass m moving at a velocity v collides with another block of mass 2m
- An alternating emf given by equation e=300 sin[(100 π)t] V
- A sound source is moving towards a stationary listener with 1/10th of the speed
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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