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 Discussion Response Post to:
wpe
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Message |
![[Post New]](/templates/default/images/icon_minipost_new.gif) 28 Apr 2007 20:06:46 IST
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yes, nitin id correct it is just work energy theorem
Change in KE=1/2(30)(4/25)(1)
Net work done=W(by tension)+W(by gravity)
=W(bytension)+30(10)(2)----(2)
Equatie 1 and 2
W(tension)=-597.6J
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