jermadrehenders5871 jermadrehenders5871
  • 12-12-2022
  • Physics
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discuss the application of the first law of thermodynamics to a mountaineer who eats food, gets warm and perspires a lot during a climb, and does a lot of mechanical work in raising herself to the summit. the mountaineer also gets warm during the descent. is the source of this energy the same as the source during the ascent?

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