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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.
Related Questions: - When a current of (2.5±0.5) A flows through a wire, it develops a potential difference
- The current in the windings of a toroid is 2.0 A. There are 400 turns
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When a current of (2.5±0.5) A flows through a wire, it develops a potential difference
- The current in the windings of a toroid is 2.0 A. There are 400 turns
- An air core solenoid has 1000 turns and is one meter long. Its cross sectional area
- A body starts from rest, what is the ratio of the distance travelled by the body
- When volume of a system is increased two times and temperature is decreased
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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