Determine total entropy change of the horseshoe-plus-water
A 1 kg iron horseshoe is taken from a forge at 900 degrees C and dropped into 4 kg of water at 10 degrees C. Assuming no energy is lost by heat to the surroundings, determine the total entropy change of the horseshoe-plus-water system.
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An Alaskan rescue plane traveling 30 m/s drops a package of emergency rations to a stranded party of explorers.the plane is traveling at a height of 200 m above the ground. what horizontal distance does the package fall before landing?
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