A Styrofoam cooler has a surface area of 2,700 cm2 and a wall
thickness of 3.00 cm. Styrofoam has a coefficient of thermal
conductivity of 0.010 W/m C. A 2.00 kg block of ice is placed
inside the cooler that has a temperature inside of 2C. When the
temperature outside is 30.0C, the ice lasts for 8.00 hours. If the
temperature outside becomes 20.0C, then how long will the ice
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