When a ceiling fan is switched off, its angular velocity falls to half while it makes 36…
Physics · JEE Main · NTA Exams — Rotational Motion
When a ceiling fan is switched off, its angular velocity
falls to half while it makes 36 rotations. How many more rotations will it make before coming to rest?
[Assume constant average angular retardation]
falls to half while it makes 36 rotations. How many more rotations will it make before coming to rest?
[Assume constant average angular retardation]
- 24
- 36
- 18
- 12
Answer
(D) 12
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