13) A 3.00-g copper penny at 25.0°C drops 50.0 m to the ground. (a) Assuming that 60.0% of the change in potential energy of the penny-Earth system goes into increasing the internal energy of the penny, determine its final temperature.(b) Does the result depend on the mass of the penny? Explain.

13) A 3.00-g copper penny at 25.0°C drops 50.0 m to the ground. (a) Assuming that 60.0% of the change in potential energy of the penny-Earth system goes into increasing the internal energy of the penny, determine its final temperature.(b) Does the result depend on the mass of the penny? Explain.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.

Question

13) A 3.00-g copper penny at 25.0°C drops 50.0 m to the ground. (a) Assuming that
60.0% of the change in potential energy of the penny-Earth system goes into
increasing the internal energy of the penny, determine its final temperature.(b)
Does the result depend on the mass of the penny? Explain.

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