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When a ceiling fan is switched off its angular velocity reduces to 50% while it makes 36 rotations. How many more rotation will it make before coming to rest?(assume uniform angular retardation)
Options
(a) 18
(b) 12
(c) 36
(d) 48
Correct Answer:
12
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
- A 120 m long train is moving in a direction with speed 20 m/s.A train B moving
- A bullet comes out of the barrel of gun of length 2m with a speed of 800 m/s
- A coil of resistance and 1.0 H inductance is connected to an a.c. source of frequency
- A ray of light passes from a medium A having refractive index 1.6 to the medium
- Before using the tangent galvanometer, its coil is set in
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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