4. A woman finds the front windshield of her car covered with ice at -12°C. The ice has a thickness of 1.0 cm, and the windshield has an area of 1.25 m². The windshield is directly exposed to the Sun. If the average solar power falling on the windshield is is 250 Watts, how long (in hours) will it take to melt all the ice? (The density of ice is 920 kg/m³ and the latent heat of fusion of water is 334 kJ/kg, specific heat of ice is 2.00 kJ/kg.K)
4. A woman finds the front windshield of her car covered with ice at -12°C. The ice has a thickness of 1.0 cm, and the windshield has an area of 1.25 m². The windshield is directly exposed to the Sun. If the average solar power falling on the windshield is is 250 Watts, how long (in hours) will it take to melt all the ice? (The density of ice is 920 kg/m³ and the latent heat of fusion of water is 334 kJ/kg, specific heat of ice is 2.00 kJ/kg.K)
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter10: Thermal Physics
Section: Chapter Questions
Problem 7WUE: One way to cool a gas is to let it expand. When a certain gas under a pressure of 5.00 106 Ha at...
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