This has been discussed earlier...wait let me search for the link
3 Answers
Tush Watts
·2010-03-23 23:54:28
Found the link...aah...but sorry not discussed
http://www.targetiit.com/iit-jee-forum/posts/straight-from-fiitjee-s-gmp-11838.html
Asish Mahapatra
·2010-03-24 19:30:38
oops. should have mentioned to just give the exp. of KE of pulley S..(for first bit)
and yeah the above work is definitely correct