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To calculate whether the ball will be considered “dead” or not, apply this simple formula…
t = [ ln (Nf/No) / (-0.693) ] x t1/2
where ln is the natural logarithm, Nf/No is the percent of carbon-14 in the ball compared to the amount in living tissue ( say JR?), and t1/2 is the half-life of carbon-14 (5,700 years).
If T is greater that 0, the ball is not dead.
Of course, you need to do this calculation fairly quickly and then blow the whistle accordingly or the coach might nag you for a late whistle.
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