20. Heat and Temperature
Specific Heat & Temperature Changes
5:51 minutes
Problem 19a
Textbook Question
Textbook QuestionA flow-through electric water heater has a 20 kW electric heater inside an insulated 2.0-cm-diameter pipe so that water flowing through the pipe will have good thermal contact with the heater. Assume that all the heat energy is transferred to the water. Suppose the inlet water temperature is 12°C and the flow rate is 8.0 L/min (about that of a standard shower head). What is the outlet temperature?
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