MHT CET 2025 Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET 2025

When a ceiling fan is switched off, its angular velocity falls to while it makes 24 rotations. How many more rotations will it make before coming to rest?

Answer: (A)

Solution

Assume constant angular retardation and initial angular velocity . In the first stage, after rotations: . In the second stage the fan goes from

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Question ID VK-100685