Answer: Exploding shoes. The rain-soaked shoes of a person
Chapter , Problem 48(choose chapter or problem)
Exploding shoes. The rain-soaked shoes of a person may explode if ground current from nearby lightning vaporizes the water. The sudden conversion of water to water vapor causes a dramatic expansion that can rip apart shoes. Water has density 1000 kg/m3 and requires 2256 kJ/kg to be vaporized. If horizontal current lasts 2.00 ms and encounters water with resistivity 150 D . m, length 12.0 cm, and vertical cross-sectional area 15 X 10-5 m2, what average current is required to vaporize the water?
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