Occasionally, huge icebergs are found floating on the

Chapter 12, Problem 12.129

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Occasionally, huge icebergs are found floating on the oceans currents. Suppose one such iceberg is 120 km long, 35 km wide, and 230 m thick. (a) How much heat would be required to melt this iceberg (assumed to be at 0 C) into liquid water at 0 C? The density of ice is 917 kg/m3 . (b) The annual energy consumption by the United States is about 1.1 1020 J. If this energy were delivered to the iceberg every year, how many years would it take before the ice melted?

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