Occasionally, huge ice bergs are found floating on the ocean's currents. Assume one such ice berg is 122 kilometer long, 35.1 kilometer wide and 207 meter thick.
(a) Determine how much heat in joules would be needed to melt this ice berg (assumed to be at 0°C) into liquid water at 0°C? The density of ice is 917kg/m3.
(b) The annual energy consumption by the U.S. in 1994 was 9.3 x 1019Joule. If this energy were delivered to the iceberg each year, Determine how many years would it take before the ice melted?