A Brass Rod with a Length of 20

A brass rod with a length of 20.0 cm is placed end to end with an aluminum rod with a length of 20.0 cm, and this system is placed between a hot temperature of 100 °C and a cold temperature of 10.0 °C. The thermal conductivities of the brass and the aluminum are 100 W/m °C and 230 W/m °C, respectively. The rods have the same cross-sectional area of 25.0 cm². What is the heat flow from the hot temperature to the cold temperature?

A) 78.4 W
B) 70.2 W
C) 65.3 W
D) 61.5 W
E) 55.5 W

Correct Answer:

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Access For Free