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phy141:lectures:36 [2012/11/30 16:00] mdawber [Video of lecture] |
phy141:lectures:36 [2013/11/20 10:07] (current) mdawber [Next week] |
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| ===== Video of lecture ==== | ===== Video of lecture ==== | ||
| - | The video should play in any browser, but works best in anything that isn't Internet Explorer. If you are having trouble watching the video within the page you can [[http://www.ic.sunysb.edu/class/phy141md/lecturevids/phy141lecturef12lecture36.mp4|download the video]] and play it in [[http://www.apple.com/quicktime/download/|Quicktime]]. | + | Unfortunately the 2013 lecture recording did not work, so here is the 2012 version. |
| <html> | <html> | ||
| <video id="video" width="640" height="360" controls="true"/> | <video id="video" width="640" height="360" controls="true"/> | ||
| - | <source src="lecturevids/phy141lecturef12lecture36.mp4" type="video/mp4"></source> | + | <source src="lecturevids/phy141f12lecture36.mp4" type="video/mp4"></source> |
| - | <source src="lecturevids/phy141lecturef12lecture36.ogv" type="video/ogg"></source> | + | <source src="lecturevids/phy141f12lecture36.ogv" type="video/ogg"></source> |
| <object width="640" height="384" type="application/x-shockwave-flash" data="player.swf"> | <object width="640" height="384" type="application/x-shockwave-flash" data="player.swf"> | ||
| <param name="movie" value="player.swf" /> | <param name="movie" value="player.swf" /> | ||
| - | <param name="flashvars" value="file=lecturevids/phy141lecturef12lecture36.mp4" /> | + | <param name="flashvars" value="file=lecturevids/phy141f12lecture36.mp4" /> |
| </object> | </object> | ||
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| ===== Isothermal Processes ===== | ===== Isothermal Processes ===== | ||
| - | An [[wp>Isothermal_process|isothermal process]] is one which occurs at a constant temperature. In order for such a process too occur there should be a [[wp>Heat_reservoir|heat reservoir]], a large body in thermal contact with the system which has a temperature that will not significantly change as heat is exchanged with it. We will consider a [[wp>Quasistatic_process|quasistatic process]], which means it occurs slowly enough that the system can be considered to be in equilibrium at any given time. | + | An [[wp>Isothermal_process|isothermal process]] is one which occurs at a constant temperature. In order for such a process to occur there should be a [[wp>Heat_reservoir|heat reservoir]], a large body in thermal contact with the system which has a temperature that will not significantly change as heat is exchanged with it. We will consider a [[wp>Quasistatic_process|quasistatic process]], which means it occurs slowly enough that the system can be considered to be in equilibrium at any given time. |
| From the viewpoint of the first law | From the viewpoint of the first law | ||
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| which gives $PV^{\gamma}=\mathrm{constant}$ | which gives $PV^{\gamma}=\mathrm{constant}$ | ||
| - | ===== Next week ===== | ||
| - | Second law of thermodynamics and entropy...and then prepare for the final exam! | ||
