Can someone explain what internal energy is and how to calculate
it when given mass, friction,...
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Physics
Can someone explain what internal energy is and how to calculateit when given mass, friction, speed etc? Is it always the samething as non-conservative work..?
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Consider a system of particles completely isolated from outsideinfluence As the particles move about and interact with eachother there are certain properties of the system that do notchange 82 Conservation ofmechanical energyTheworkenergy theorem discussed in Chapter 7 relates the amount ofwork W to the change in the kinetic energy of the systemW DeltaKwhereUx0 is the potential energy of the system at itschosen reference configuration It turns out that only changesin the potential energy are important and we are free toassign the arbitrary value of zero to the potential energy of thesystem when it is in its reference configurationWe willcontinue
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