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Jun 9th 2015, 06:15 AM
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1
indira
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, 06:28 AM
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2
ChipB
Physics Team
Join Date: Jun 2010
Location: Morristown, NJ USA
Posts: 2,324
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, 11:17 AM
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indira
Junior Member
Join Date: Jun 2015
Posts: 11
Thankyou Sir!
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