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A 10-Cm Copper Cube Sits on a 100 \circ C Heat Source with a 10-Cm Cube of Ice Sitting

Question 34

Multiple Choice

A 10-cm copper cube sits on a 100 \circ C heat source with a 10-cm cube of ice sitting on top of the copper cube.How long does it take the ice to melt? The density of ice is 0.917 kg/m3 and the thermal conductivity of copper is 386 W/(m·K) .


A) 383 s
B) 412 s
C) 213 s
D) 79 s
E) 154 s

Correct Answer:

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