Question

An ice box made of styrofoam (thermal conductivity=0.01 J/msK )is used to keep liquids cool . it has a total wall are including lid of 0.8m^2 and wall thickness of 2 cm.a bottle of water is placed in the box and filled with ice . if the outside temperature is 30 degree celcius ,the rate of flow of heat into the body:

Answer 1

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