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![[Post New]](/templates/default/images/icon_minipost_new.gif) 8 Sep 2007 12:40:09 IST
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calculate the work done a raising a stone of mass 6kg of specefic gravity 2 immersed in water from a depth of 4m to 1m below the surface of water g=10m/sec.sec
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8 Sep 2007 15:15:28 IST
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Work
= V (delta P)
Delta P can be calculated from [rho*g*(h2 -h1)]
V can be calc using mass and specific gravity.
Thus work can be obtained........
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"If you win, you shall not have to explain and if you lose, you wont be there to explain"
~ Adolph Hitler |
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9 Sep 2007 01:09:45 IST
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work done =force*displacement
=m*(density of mass-density of water)*g*h/density of mass
=6*1*4*10/2=120J
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Krishna Gopal Singh
B.Tech Chemical Engg
IIT Delhi 2002
Currently doing PhD from IIT Delhi |
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