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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
- If force is proportional to square of velocity, then the dimension of proportionality
- The mass number of nucleus is always
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- If particles are moving with same velocity, then maximum de Broglie wavelength will
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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