updated physics/archimedes_principle.py (#10479)

* avg and mps speed formulae added

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* avg and mps speed formulae added

* fixed_spacing

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* spacing

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* ws

* added amicable numbers

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* added amicable numbers

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* spacing

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* removed

* changed name of file and added code improvements

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* issues fixed due to pi

* requested changes added

* added some doctests for exception handling, imported g from scipy and allowed zero gravity

* removed_scipy_import

* Update and rename archimedes_principle.py to archimedes_principle_of_buoyant_force.py

* Update archimedes_principle_of_buoyant_force.py

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Christian Clauss <[email protected]>