Question

during the day air is heated by a sun to a constant 90F.The air temperature reach 90F as soon as the sun comes out and cannot exceed 90F . Water however, remains at a constant 60 F throughout the day. During an eight hour night, the air is cooled to 65F by interactions with the cooler water according to Newton's law of cooling .During the day,when the air is in equilibrium at 90F,how much does the sun need to heat the air during one hour to counteract the cooling effects of water?

Answer 1

Answer:

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