EX: A system consisting of a stone of mass 10 (kg) and a container containing water. The stone was initially 2 (m) above the surface of the water, and that the stone and the water were at the same temperature. After that the stone fell into the water. Calculate the change in internal energy, kinetic energy, potential energy, as well as the heat and work received for the following cases.

EX: A system consisting of a stone of mass 10 (kg) and a container containing water. The stone was initially 2 (m) above the surface of the water, and that the stone and the water were at the same temperature. After that the stone fell into the water. Calculate the change in internal energy, kinetic energy, potential energy, as well as the heat and work received for the following cases.

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

EX: A system consisting of a stone of mass 10 (kg) and a container containing
water. The stone was initially 2 (m) above the surface of the water, and that the
stone and the water were at the same temperature. After that the stone fell into the
water. Calculate the change in internal energy, kinetic energy, potential energy, as
well as the heat and work received for the following cases.
1-At the moment when the stone was about to enter the water
2-At the moment when the stone becomes in a state of rest in the water
3-After the heat has moved to the ocean, while the stone and water have returned
to the initial temperature

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