Sunday, 25 May 2014
Icebergs in the North Atlantic
Icebergs in the North Atlantic present hazards to shipping,
causing the lengths of shipping routes to be increased by about 30%
during the iceberg season. Attempts to destroy icebergs include planting
explosives, bombing, torpedoing, shelling, ramming, and coating with
black soot. Suppose that direct melting of the iceberg, by placing heat
sources in the ice, is tried. How much energy as heat is required to
melt 17% of an iceberg that has a mass of 120000 metric tons?
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