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What power is gained by a man when he eats 100 g ice in one minute ? Latent heat of fusion of ice is 80 cal/gm. |
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Answer» Solution :`m=100g` `t=60` second Ice ate at each second `m.=m/t` `=(100)/(60)` `=(5)/(2)" Js"^(-1)` Power GAINED by a MAN `P=m.L` `=(5)/(3)xx80` `=(400)/(3)"CALS"^(-1)` `=(400)/(3)xx4.2" Js"^(-1)` `=400xx1.4=560W` |
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