Statement of a problem № 10838


The rear window of a van is coated with a layer of ice at 0 °C. The density of ice is 917 kg/m3. The driver of the van turns on the rear-window defroster, which operates at 12 V and 23 A. The defroster directly heats an area of 0.52 m2 of the rear window. What is the maximum thickness of ice coating this area that the defroster can melt in 3.0 minutes?

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