Tuesday, March 11, 2014

  Day Six:

Activity 1


Analyzing simple Heat Engine cycle





We found that the total of work is the same as the area of the rectangular.



Demo #1 (Mass Lifting Machine)





Apparatus

  • Syringe: measure pressure.
  • Hot Water: to add heat energy to the system, so the system does positive work.
  • Cold Water: to remove heat energy from the system, so the system does negative work.
  • Flask: to hold water.



Pressure Vs. Volume gas we got from the demo above.

Volume went down when mass is added and when Flask is in the cold water.



Activity 2 Carnot Engine Cycle




Activity 3 ActivPhysics




Q is larger in second picture because W is not zero and Q = U +W.





Answer to the activphysics problems:






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