A 2 KW, 230 volt electric heater is needed to raise the temperature of a 10 lbs water for 30 minutes . If the initial temperature of the water is 53 ∘∘F, determine the final temperature of water in ∘∘F. Assume a heat loss of 22%.

A 2 KW, 230 volt electric heater is needed to raise the temperature of a 10 lbs water for 30 minutes . If the initial temperature of the water is 53 ∘∘F, determine the final temperature of water in ∘∘F. Assume a heat loss of 22%.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter17: Energy In Thermal Processes: The First Law Of Thermodynamics

Section: Chapter Questions

Problem 14P

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Question

A 2 KW, 230 volt electric heater is needed to raise the temperature of a 10 lbs water for 30 minutes .

If the initial temperature of the water is 53 ∘∘F, determine the final temperature of water in ∘∘F.

Assume a heat loss of 22%.

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