Answered: Prove that for an isolated system,…

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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Prove that internal energy is the property of the system.
Explain why work is not a property of the system.
A system in which there is no transfer of matter across the boundary. It consists a fixed amount of mass, and no mass can cross its boundary. That is, no mass can enter or leave a closed system
Work is done on an adiabatic system due to which its velocity changes from 10 m/s to 20 m/s, elevation increases by 20 m and temperature increases by 1 K. The mass of the system is 10 kg, Cv = 100 J/kg-K and gravitational acceleration is 10 m/s² .if there is no change in any other component of the energy of the system, find out the magnitude of total work done on the system.
Energy transfer for which the sole effect on everything external to the system could have been the raising of a weight.
The boundary work associated with a constant volume process is constant
Give an example of in the absence of any work interactions, the energy change of a system is equal to the net heat transfer.
During a process, the total energy of a closed system increases by 20J. If no work is done in the process, energy of 20J is transferred to the system by heat transfer. True or False? Explain using the energy balance equation.
6
An automobile having a mass of 1100 kg initially moves along a level highway at 110 km/h relative to the highway. It then climbs a hill whose crest is 40 m above the level highway and parks at a rest area located there. Use a reference with kinetic and potential energy each equal to zero for the stationary highway before the hill.Let g = 9.81 m/s2. For the automobile, determine its change in kinetic energy and its change in potential energy, both in kJ.
Choose all applicable cases from the list below where the total system energy is conserved. O isolated system closed system closed system with Q = W closed system with Q = 0 closed system with W = 0 closed system with Q = 0 and W = 0
The heat transfer is not constant when

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Prove that for an isolated system, there is no change in internal energy.