Physics Help Forum rotation

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 Jun 9th 2015, 05:15 AM #1 Junior Member   Join Date: Jun 2015 Posts: 11 rotation an angular impulse of 20 nms is appliedto a hollow cylinder of mass 2kg and radius 20 cm.the change in its angular speed is???
 Jun 9th 2015, 05:28 AM #2 Physics Team     Join Date: Jun 2010 Location: Morristown, NJ USA Posts: 2,289 From impulse = change of momentum: Angular impulse = I x delta w where "delta w" is change in rotational velocity. You can calculate I for the cylinder given its radius and mass, then calculate delta w.
 Jun 9th 2015, 10:17 AM #3 Junior Member   Join Date: Jun 2015 Posts: 11 Thankyou Sir!

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# An angular impulse of 20Nms is applied to a hollow cylonder

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