carterkourtney101 carterkourtney101

28-05-2021
Physics

contestada

Radon has a half-life of 56s. After what time will it's activity be reduced to (a) 90% (b) 50% (c) 10% of it's initial value

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limyuanqian limyuanqian

28-05-2021

Answer:

A) 11.2 s

B) is 56 s

C) 170.8 s

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