10 IA ideas using a balloon

IB Physics: 10 IA ideas using a balloon

Apparatus: A ruler, a computer, some string, cardboard a length of transparent tubing and some balloons.1. The classic falling ball experiment with a balloon.What is the relationship between fall time and height?Simple treatment assumes constant velocity based on drag and buoyancy but this ignores the initial acceleration which is not constant. This can be modeled using an iterative model in Excel.


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