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Physics 14 Online
OpenStudy (anonymous):

hey how do you do half life?

OpenStudy (preetha):

Its the time taken for a radioactive substance to decay to half its original amount. So if you have 10 g of something, and it takes t secs to decay to 5 g, the half life is t s.

OpenStudy (anonymous):

Thank you Preetha (:

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