Newton's Law of Cooling (And Warming) States That the Rate

question 61

Multiple Choice

Newton's law of cooling (and warming) states that the rate of change of temperature of an object is proportional to the temperature difference between the object and its surroundings, where T is the constant temperature of the surroundings. That is, . Suppose an object at 1°C is placed in a room where the temperature is 22°C. If the temperature of the object is 11°C after 1 hour, how long will it take for the object to reach 16°C? Round your answer to one decimal place. ​

• A)1.7 hours
• B)1.9 hours
• C)2.2 hours
• D)2.4 hours
• E)3.0 hours

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