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35 th International Physics Olympiad Pohang, Korea 15 ~ 23 July 2004

35 th International Physics Olympiad Pohang, Korea 15 ~ 23 July 2004. Theoretical Question 2. Theoretical Competition Saturday, 17 July 2004. Theoretical Question 2: “Rising Balloon”. Objective: To find out how high a balloon rises. He. Theoretical Question 2: “Rising Balloon”.

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35 th International Physics Olympiad Pohang, Korea 15 ~ 23 July 2004

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  1. 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. He Theoretical Question 2:“Rising Balloon” • Problem design: Air FB=rairVg 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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