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![[Post New]](/templates/default/images/icon_minipost_new.gif) 21 Jan 2008 14:15:16 IST
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the ans wud be Heat= V^2t/R
(36 x 15 x 60)/40= 810 Joules= 0.192 cal
:.Let mass=m
C=0.2 kcal/kgC
:. m* C (sp. heat cap.)* 20K=0.192
4m=0.192
m= 0.048 kg= 48 g
sorry for the prev. mistake dint read the question proply
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Goodbye Orkut
Hello GoIIT |
this reply: 5 points
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