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Physics 23 Online
OpenStudy (anonymous):

radioactive decay problems: (see attached file)

OpenStudy (anonymous):

OpenStudy (vincent-lyon.fr):

Well, what do YOU think? OS is not here to solve problems for you. Try to do something on your own then we can help you.

OpenStudy (anonymous):

oh trust me, i've tried. i'm not going to upload my work...

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