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physics1007

- 6

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## Homework Statement

Occasionally, huge icebergs are found floating on the ocean's currents. Suppose one such iceberg is 149 km long, 27.7 km wide, and 152 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?

## Homework Equations

heat required = mass of ice x heat of fusion for ice

mass of water is found from density and volume of ice

density of ice=mass of ice/volume of ice

## The Attempt at a Solution

a very large number not worth mentioning b/c its not right!