A hot object cools down according to Newton's Law so that thours after the start, the rate that heat leaves is 26e-t/3 Joules per hour. How much heat leaves the object during the first 8 hours? (All you need to know is that a Joule is a quantity of heat. In fact, 4.2 Joules is the heat required to raise 1 gra of water 1 degree Celsius.) Answer: Joules

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