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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
- The wing span of an aeroplane is 20 m. It is flying in a field where the vertical
- A metal wire of circular cross-section has a resistance R₁. The wire is now stretched
- A spherical conductor of radius 2 m is charged to a potential of 120 V. It is now
- If oxygen has root mean square velocity of C m/s, then root mean square velocity of H
- In a common emitter (CE) amplifier having a voltage gain G, the transistor
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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