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A 70 kg man stands in contact against the inner wall of a hollow cylindrical drum of radius 3 m rotating about its vertical axis with 200 rev/min.The coefficient of friction between the wall and his clothing is 0.15.When the floor is suddenly removed, what is the minimum rotational speed of the cylinder to enable the man to remain stuck to the wall without falling (approximately)?
Options
(a) 5 rad/s
(b) 10 rad/s
(c) 15 rad/s
(d) 20 rad/s
Correct Answer:
5 rad/s
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- For transistor action (1) Base, emitter and collector regions should have similar size
- White light reflected from a soap film (Refractive Index =1.5) has a maxima
- Maximum velocity of the photoelectron emitted by a metal is 1.8×10⁶ ms⁻¹.
- A parallel plate air capacitor of capacitance C is connected to a cell of emf
- Which scientist experimentally proved the existence of electromagnetic waves?
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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