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

The sun shines on a 150 m2 road surface so it is at 45 C. Below the 5c

1.	The sun shines on a 150 m2 road surface so it is at 45 C. Below the 5cm thick asphalt(average conductivity of 0.06 W/m K), is a layer of rubbles at 15 C. Find the rate of
A.	5300 w
B.	5400 w
C.	5500 w
D.	5600 w
Answer» C. 5500 w