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A long horizontal rod has a bead which can slide long its length and initially placed at a distance L from one end A of the rod.The rod is set in angular motion about A with constant angular acceleration α.If the coefficient of friction between the rod and the bead is ? and gravity is neglected, then the time after which the bead starts slipping is
Options
(a) √? / α
(b) ? / √α
(c) 1 / √?ￎﾱ
(d) infinitesimal
Correct Answer:
√? / α
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 electron drift speed is small and the change of the electron is also small
- A round disc of moment of inertia i₂ about its axis perpendicular to its plane
- If the band gap between valence band and conduction band in a material is 5.0 eV,
- A bar magnet with magnetic moment 2.5×10³ JT⁻¹ is rotating in horizontal plane
- A wire of resistance 4 ohm is stretched to twice its original length.
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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