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Theoretical Question 2 Theoretical Competition

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Presentation on theme: "Theoretical Question 2 Theoretical Competition"— Presentation transcript:

1 Theoretical Question 2 Theoretical Competition
35th International Physics Olympiad Pohang, Korea 15 ~ 23 July 2004 Theoretical Question 2 Theoretical Competition Saturday, 17 July 2004

2 Theoretical Question 2: “Rising Balloon”
Objective: To find out how high a balloon rises

3 Theoretical Question 2: “Rising Balloon”
Problem design: Air FB=rairVg He DW=PdiffDV FB=MTg Payload

4 Theoretical Question 2: “Rising Balloon”
Physical concepts required: Hydrodynamics Buoyancy Pressure Thermodynamics Ideal gas law 1st Law of Thermodynamics Mechanics Energy and Work Force Equilibrium

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