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![[Post New]](/templates/default/images/icon_minipost_new.gif) 11 Sep 2007 11:44:55 IST
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The assembly of two discs as shown in fig is placed on a rough horizontal surface and the front disc is given an initial angular velocity w. Determine the final linear and angular velocity when both the discs start rolling. It is given that friction is sufficent to sustain rolling in the rear wheel from the starting of motion.
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13 Sep 2007 20:41:11 IST
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Apply conservation of angular momentum to obtain final linear and angular velocity
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The Scientist does not study nature because it is useful; he studies it because he delights in it, & he delights in it because it is beautiful. If nature were not beautiful, it would not be worth knowing, life would not be worth living. Ofcourse I do not here speak of that beauty that strikes the senses, the beauty of qualities & appearances; not that I undervalue such beauty, far from it, but it has nothing to do with science; I mean that profounder beauty which comes from the harmoniuos order of the parts, & which a pure intelligence can grasp. |
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