For drinks during the day, Peter has a cup of hot coffee, at a temperature of about 90°C, and a cup of cold mineral water, at a temperature of about 5°C. The cups are identicaltype and size, and the volume of each drink is the same. Peter leaves the cups sitting ina room where the temperature is about 20 °C. What are the temperatures of the coffeeand the mineral water likely to be after 10 minutes?A. 70 °C and 10 °CB. 90 °C and 5 °CC. 70 °C and 25 °CD. 20 °C and 20 °C

Question

For drinks during the day, Peter has a cup of hot coffee, at a temperature of about 90°C, and a cup of cold mineral water, at a temperature of about 5°C. The cups are identicaltype and size, and the volume of each drink is the same. Peter leaves the cups sitting ina room where the temperature is about 20 °C. What are the temperatures of the coffeeand the mineral water likely to be after 10 minutes?A. 70 °C and 10 °CB. 90 °C and 5 °CC. 70 °C and 25 °CD. 20 °C and 20 °C​

Storystork · Answer

The answer is D. 20 °C and 20 °CBoth drinks move toward room temperature (20 °C).

Answer (1)

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