Question: The sun shines on a 150 m2 road surface so it is at 45C. Below the 5 cm thick asphalt, average conductivity of 0.06 W/m

The sun shines on a 150 m2 road surface so it is at 45°C. Below the 5 cm thick asphalt, average conductivity of 0.06 W/m K, is a layer of compacted rubbles at a temperature of 15°C. Find the rate of heat transfer to the rubbles.

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