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Physics 15 Online
OpenStudy (anonymous):

Please help guys:)

OpenStudy (anonymous):

http://screencast.com/t/HS7MpBmKDnzo

OpenStudy (anonymous):

@Callisto @Preetha @Vincent-Lyon.Fr

OpenStudy (anonymous):

Hi ^^ Have you done half life problems before?

OpenStudy (anonymous):

YES

OpenStudy (anonymous):

i can draw a graph for manganase decay but not sure on hw to draw fr iron

OpenStudy (anonymous):

|dw:1384672275132:dw|

OpenStudy (anonymous):

thts fr manganese

OpenStudy (anonymous):

The iron should just be the total mass minus the manganese methinks

OpenStudy (anonymous):

You're just trying to find the part of the mass that's *not manganese pretty much

OpenStudy (anonymous):

|dw:1384672364654:dw|

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