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Back to 14.3 Phase Change and Latent Heat

14.3 Exercise 17

Avg difficulty 2.5

On a trip, you notice that a 3.50-kg bag of ice lasts an average of one day in your cooler. What is the average power in watts entering the ice if it starts at 0ºC0º \text{C} and completely melts to 0ºC0º \text{C} water in exactly one day 1 watt = 1 joule/second (1 W = 1 J/s)\text{1}\textrm{ }\text{watt}\textrm{ }=\textrm{ }\text{1}\textrm{ }\text{joule}/\text{second} \left(\text{1}\textrm{ }\text{W}\textrm{ }=\textrm{ }\text{1}\textrm{ }\text{J}/\text{s}\right)?

OpenStax College Physics 2e, 14.3 Phase Change and Latent Heat, exercise 17

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.