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Home Q & A Board Science-Related Homework Help Mathematics
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bufi bufi
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11 years ago
Teacher says there is a way to make a cartesian diver float when you push the bottle instead of sink without sucking out the air in the top of the bottle, like many sites have said to do. So im still puzzled as to how to do this any answers?
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#1
11 years ago
OK, so the trick is to use a bottle that is not round. Oval is ideal.
Set up the diver so it just sinks with the lid off. Then put the lid on.
Now by squeezing the bottle on the ends of the oval, the pressure in the bottle will be lowered, as you are effectively increasing the internal volume. The diver will rise.
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