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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 black hole is an object whose gravitational field is so strong that even light
- 24 cells of emf 1.5 V each having internal resistance of 1 ohm are connected
- A particle covers half of its total distance with speed v1 and the rest half distance
- Young’s modulus of perfectly rigid body material is
- If fundamental frequency of closed pipe is 50 Hz then frequency of 2nd overtone
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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