8) A cup of tea is prepared in a room of ambient temperature 25°C. A bag of tea is brewed in a cup of boiling water at 105°C and after 2 minutes, the cup of tea has a temperature of 80°C. Determine the temperature of the cup of tea after 5 minutes, and the time when the temperature of the cup of tea is 35°C.
8) A cup of tea is prepared in a room of ambient temperature 25°C. A bag of tea is brewed in a cup of boiling water at 105°C and after 2 minutes, the cup of tea has a temperature of 80°C. Determine the temperature of the cup of tea after 5 minutes, and the time when the temperature of the cup of tea is 35°C.
Chapter9: Sequences, Probability And Counting Theory
Section: Chapter Questions
Problem 24RE: A ladder has 15 tapered rungs, the lengths of which increase by a common difference. The first rung...
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Using Newton's law of cooling answer the following:
Transcribed Image Text:8) A cup of tea is prepared in a room of ambient temperature 25°C. A bag of tea is brewed in a cup
of boiling water at 105°C and after 2 minutes, the cup of tea has a temperature of 80°C. Determine
the temperature of the cup of tea after 5 minutes, and the time when the temperature of the cup of
tea is 35°C.
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