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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: - Heat is flowing through a rod of length 50 cm and area of cross-section 5 cm².
- A bullet of mass m moving with velocity v strikes a block of mass M at rests
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Heat is flowing through a rod of length 50 cm and area of cross-section 5 cm².
- A bullet of mass m moving with velocity v strikes a block of mass M at rests
- A galvanometer coil has a resistance of 15 ohm and gives full scale deflection
- For a diatomic gas charge in internal energy for unit charge in temperature for
- The work done in which of the following processes is zero?
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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