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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 tube of length L is filled completely with an incompressible liquid of mass
- A moving neutron collides with a stationary α-particle.The fraction of the kinetic energy
- A luminous object is seperated from a screen by distance d. A convex lens
- Three capacitors each of capacitance C and of breakdown voltage V are joined in series
- The shortest wavelength in Lyman series is 91.2 nm. The largest wavelength
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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