austinboeckman836 austinboeckman836

11-04-2017
Physics

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You start with a 500 g sample of co-57. about how much time has passed if you end up with a 250 g sample

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11-04-2017

One half-life of Co-57 has passed.

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gavergan gavergan

22-02-2019

The answer is 10 days

Explanation: 250 is half of 500, so only one half life has passed. One half life of co-57 is 10 days. So, the answer is 10 days.

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