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The rear window of a van is coated with a layer of ice at0oC. The density of the ice is 917kg/m3. The driver of the van turns on therear-window defroster, which operates at 12V and 23A. Thedefroster directly heats an area of 0.52m2 of therear window. What is the maximum thickness of ice coatingthis area that the defroster can melt in 3.0 min?

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