Question: A thermometer already at 15 degrees C is placed in a room whose temperature is 28 degrees C. One minute later the thermometer is reading

A thermometer already at 15 degrees C is placed in a room whose temperature is 28 degrees C. One minute later the thermometer is reading 18 degrees. Using Newton's Law of Cooling, determine how long it takes to reach a temperature of 22 degrees C. How long will it take to reach 26 degrees C.(Show all your working as much as possible. Also comment on possible sources of error in using this method. Discuss the limitations of using Newtons' Law of Cooling as a solution to this type of problem).[12%]

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