NEET · Physics · STD 11 - 6. system of particles and rotational motion
The angular speed of a fly wheel moving with uniform angular acceleration changes from \(1200\,rpm\) to \(3120\,rpm\) in \(16\) seconds. The angular acceleration in \(rad/s^{2}\) is :
- A \(4 \pi\)
- B \(12 \pi\)
- C \(104 \pi\)
- D \(2 \pi\)
Answer & Solution
Correct Answer
(A) \(4 \pi\)
Step-by-step Solution
Detailed explanation
\(\omega=\omega_{0}+\alpha t\) \(\alpha=\frac{\omega-\omega_{0}}{ t }\)
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