# Lect26 - Physics 101 Lecture 26 Temperature Thermal...

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Physics 101: Lecture 26, Pg 1 Physics 101: Physics 101: Lecture 26 Lecture 26 To da y’s  le c ture  will c o ve r  Te xtb o o k S e c tio ns   12.1 - 12.5

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Physics 101: Lecture 26, Pg 2 Internal Energy and Temperature All objects have “internal energy” (measured in Joules) Internal energy of a system is the energy which is left when the total external mechanical energy  (kinetic+potential) has been subtracted. Examples: kinetic energy of molecules, binding energy  Thermal internal energy is the average kinetic energy of     molecules in motion.  Temperature is a measure of     this average kinetic energy.  The amount of thermal      internal energy of an objects depends on   temperature » related to average kinetic energy per molecule  how many molecules  » mass “specific heat capacity” » related to how many different ways a molecule can move » the more ways it can move, the higher the specific heat
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## This note was uploaded on 02/12/2012 for the course PHYSICS 104 taught by Professor Staff during the Fall '10 term at Rutgers.

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Lect26 - Physics 101 Lecture 26 Temperature Thermal...

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