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A person pours a cup of hot coffee, intending to drink it
Chapter 17, Problem 20DQ(choose chapter or problem)
QUESTION:
A person pours a cup of hot coffee, intending to drink it five minutes later. To keep the coffee as hot as possible, should she put cream in it now or wait until just before she drinks it? Explain.
Questions & Answers
QUESTION:
A person pours a cup of hot coffee, intending to drink it five minutes later. To keep the coffee as hot as possible, should she put cream in it now or wait until just before she drinks it? Explain.
ANSWER:Solution 20DQ Heat is a form of energy. Heat always transfers hot body to cold body.In this case the person have to wait because coffee is