Lect2 -- Energy Transformation


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Unformatted text preview: va of a large star, then swept up in the formation of our solar system. How Stuff works Energy can not be created or destroyed, only transformed. Example 1: How far can a car travel at 70 mph on one liter of gasoline if: One liter of gasoline contains 40 million Joules. The engine is 100% efficient. The air resistance and friction at 70 mph is 500 N. Work = (Force)(distance) d = W 4 x10 7 J = = 0.8 x10 5 m = 80 km F 5 x10 2 N Adiabatic Processes Changes done without heat transfer Example 1: Why can a com...
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This document was uploaded on 12/05/2013.

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