A) \[J/m\]
B) \[J/2m\]
C) \[J/4m\]
D) \[J/3m\]
Correct Answer: B
Solution :
Let v be the velocity of COM of ring just after the impulse is applied and v its velocity when pure rolling starts. Angular velocity co of the ring at this instant will be \[\omega =\frac{v}{r}\]You need to login to perform this action.
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