Multiple Choice
A Styrofoam cooler has a surface area of 2,700 cm2 and a wall thickness of 3.0 cm. Styrofoam has a thermal conductivity of 0.010 W/m °C. A 2.0 kg block of ice is placed inside the cooler that has a temperature inside of 2.0 °C. If the heat of fusion for ice is 333.7 kJ/kg and the temperature outside is 35.0 °C, then how long will the ice last? Ignore the effect of the air inside the cooler.
A) 74 hours
B) 62 hours
C) 55 hours
D) 42 hours
E) 24 hours
Correct Answer:
Verified
Correct Answer:
Verified
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