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![[Post New]](/templates/default/images/icon_minipost_new.gif) 3 Jan 2008 23:09:55 IST
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Q6.
using Work Energy theorem, we get:
Work done by E = change in PE + wd by friction..
Hence, we get WD = mgh + kmgl
or WD = mg(h+kl)
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Will nip in at times to solve problems :)
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