The rear window of a van is coated with a layer of ice at 0°C. The density of ice is 917 kg/m³, and the latent heat of fusion of water is 3.35 x 105 J/kg. The driver of the van turns on the rear-window defroster, which operates at 12 V and 17 A. The defroster directly heats an area of 0.60 m² of the rear window. What is the maximum thickness of ice above this area that the defroster can melt in 3.8 minutes?
The rear window of a van is coated with a layer of ice at 0°C. The density of ice is 917 kg/m³, and the latent heat of fusion of water is 3.35 x 105 J/kg. The driver of the van turns on the rear-window defroster, which operates at 12 V and 17 A. The defroster directly heats an area of 0.60 m² of the rear window. What is the maximum thickness of ice above this area that the defroster can melt in 3.8 minutes?
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Transcribed Image Text:The rear window of a van is coated with a layer of
ice at 0°C. The density of ice is 917 kg/m³, and the
latent heat of fusion of water is 3.35 x 105 J/kg.
The driver of the van turns on the rear-window
defroster, which operates at 12 V and 17 A. The
defroster directly heats an area of 0.60 m² of the
rear window. What is the maximum thickness of
ice above this area that the defroster can melt in
3.8 minutes?
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