Solved: An office worker claims that a cup of cold coffee

Chapter 1, Problem 14C

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QUESTION:

A 4-kW resistance heater in a water heater runs for 3 hours to raise the water temperature to the desired level. Determine the amount of electric energy used in both kWh and kJ.

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QUESTION:

A 4-kW resistance heater in a water heater runs for 3 hours to raise the water temperature to the desired level. Determine the amount of electric energy used in both kWh and kJ.

ANSWER:

Step 1 of 3

A resistance heater is used to heat water to desired temperature. The amount of electric energy used in kWh and kJ are to be determined.

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