Multiple Choice
Two metal rods, one silver and the other gold, are attached to each other. The free end of the silver rod is connected to a steam chamber, with a temperature of 100°C, and the free end of the gold rod to an ice water bath, with a temperature of 0°C. The rods are 5.0 cm long and have a square cross-section, 2.0 cm on a side. How much heat flows through the two rods in 60 s? The thermal conductivity of silver is 417 W/(m·K) , and that of gold is 291 W/(m·K) . No heat is exchanged between the rods and the surroundings, except at the ends.
A) 8.2 kJ
B) 9.5 kJ
C) 12 kJ
D) 14 kJ
E) 16 kJ
Correct Answer:
Verified
Correct Answer:
Verified
Q9: Platinum melts at 3215°F.What is the corresponding
Q49: How much power does a sphere with
Q50: A thermally isolated system is made up
Q51: Two metal rods, one silver and the
Q52: By what method of heat transfer does
Q53: A person is walking outdoors on a
Q55: You walk barefoot in your house and
Q57: A blacksmith is flattening a steel plate,
Q58: Radiative heat transfer requires a fluid to
Q59: The amount of heat that flows through