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A cylinder of mass 5 kg and radius 30 cm...

A cylinder of mass `5 kg` and radius `30 cm` and free to rotate about its axis receives an angular impulse of `3 kg m^(2) s^(-1)` initially, followed by a similar impulse after every `4` second. What is the angular speed of the cylinder `30 s` after the initial impulse ? The cylinder is at rest initially.

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