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@ philip- wats the use of that link??
A cylinder of mass M and radius R moves with speed v through a region of space that contains particles of mass m, that are at rest. In unit vol., 'n' of these particles are present. Cylinder moves in a direction perp to its axis. Assume m<<M, and that the particles do not interact with each other, what is the drag force per unit length on the cylinder?
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7 Answers
1http://targetiit.com/iit-jee-forum/posts/from-kaymant-sir-s-archive-12030.html
1question is easier to read. :P
no real use just posted like this cos both threads are the same.
1posted there :
http://targetiit.com/iit-jee-forum/posts/from-kaymant-sir-s-archive-12030.html
3guess i was sleeping!!!!!!! thanx philip sir :D [3] ........saw sum guy callin u sir in 1 of the threads!!!!!
