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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: - A circular disc X of radius R is made from an iron plate of thickness t and another disc
- A ball is dropped from a height of 20 cm. Ball rebounds to a height of 10cm
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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 circular disc X of radius R is made from an iron plate of thickness t and another disc
- A ball is dropped from a height of 20 cm. Ball rebounds to a height of 10cm
- A particle is under two mutually perpendicular simple harmonic motions
- If force(F),velocity(v) and time(T) are taken as units, then the dimensions of mass are
- A body oscillates with amplitude of 10 cm in a horizontal platform.
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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