JEE Mains · Physics · STD 11 - 3.2 motion in plane
A fly wheel is accelerated uniformly from rest and rotates through \(5 \,rad\) in the first second. The angle rotated by the fly wheel in the next second, will be.........\(rad\)
- A \(7.5\)
- B \(15\)
- C \(20\)
- D \(30\)
Answer & Solution
Correct Answer
(B) \(15\)
Step-by-step Solution
Detailed explanation
\(5=\frac{1}{2} \alpha(1)^{2}\) \(\theta=\frac{1}{2} \alpha(2)^{2}\) \(\theta-5=15\)
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