Question:
A disk of mass M, radius R is rotating about an axis passing through its centre and perpendicular to its plane with angular speed ω. If another disk of mass \(\frac{M}{2}\) and radius R is gently placed over it what will be their common angular velocity after some time?
A disk of mass M, radius R is rotating about an axis passing through its centre and perpendicular to its plane with angular speed ω. If another disk of mass \(\frac{M}{2}\) and radius R is gently placed over it what will be their common angular velocity after some time?
Updated On: Apr 10, 2024
- \(\frac{ω}{5}\)
- \(\frac{ω}{2}\)
- \(\frac{2ω}{3}\)
- \(\frac{ω}{4}\)
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The Correct Option is C
Solution and Explanation
The Correct answer is option is (C) : \(\frac{2ω}{3}\)
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