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A thin circular ring of mass M and radius R rotates about an axis through its centre and perpendicular to its plane, with a constant angular velocity ?. Four small spheres each of mass m (negligible radius) are kept gently to the opposite ends of two mutually perpendicular diameters of the ring. The new angular velocity of the ring will be
Options
(a) M?/4m
(b) [M+4m/M] ?
(c) [M/M-4m] ?
(d) [M/M+4m] ?
Correct Answer:
[M/M+4m] ?
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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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
- A bullet is shot from a riffle. As a result the rifle recoils.The kinetic energy of riffle
- If the r.m.s. velocity of a gas is v, then
- What is the energy of He⁺ electron in first orbit?
- Water flows through a pipe. The area of cross-section at one place A₁=10 cm²,
- If the number of radius of ²⁷Al is 3.6 Fermi, the approximate nuclear radius
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
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