Occasionally, huge icebergs are found floating on the ocean's currents. Suppose one such iceberg is 135 km long, 30.8 km wide, and 172 m thick. (a) How much heat in joules 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 in 1994 was 9.3 x 1019 J. If this energy were delivered to the iceberg every year, how many years would it take before the ice melted?
Occasionally, huge icebergs are found floating on the ocean's currents. Suppose one such iceberg is 135 km long, 30.8 km wide, and 172 m thick. (a) How much heat in joules 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 in 1994 was 9.3 x 1019 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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Transcribed Image Text:Occasionally, huge icebergs are found floating on the ocean's currents. Suppose one such iceberg is 135 km long, 30.8 km wide, and
172 m thick. (a) How much heat in joules 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 in 1994 was 9.3 x 1019 J. If this energy were
delivered to the iceberg every year, how many years would it take before the ice melted?
(a) Number
Units
(b) Number i
Units
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