Galileo however, disagreed. He claimed that things would fall at the same time....but why are some objects, like a feather or a piece or paper different?
We have been discussing air resistance and investigating how long it takes for a 'helicopter' to fall.
Using small, medium and large paper cut out models we dropped them from a height and using stop watches, recorded our results.
Does the size of the rotor blades change the speed of a falling object?
Here are some of our results:
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