various physics assignments

Simon Hammer ad8557b8b6 added media files %!s(int64=5) %!d(string=hai) anos
protokoll-kondensator ad8557b8b6 added media files %!s(int64=5) %!d(string=hai) anos
protokoll-schmelz 633c33d52b changing directory structure %!s(int64=5) %!d(string=hai) anos
.gitignore bb36161a56 changes %!s(int64=5) %!d(string=hai) anos