AP EAMCET · PHYSICS · Motion In Two Dimensions
A fan is rotating with an angular speed \(300 \mathrm{rpm}\). The fan is switched off, and it takes \(80 \mathrm{~s}\) to come to rest. Assuming constant angular deceleration, the number of revolutions made by the fan before it comes to rest is
- A 400
- B 200
- C 300
- D 314
Answer & Solution
Correct Answer
(B) 200
Step-by-step Solution
Detailed explanation
As \(\omega=\omega_0+\alpha \mathrm{t}\)…
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