Physics, 28.03.2021 17:40, dennisedemirovic20
Mention three benefits of obtaining a senior certificate
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Physics, 23.06.2019 04:31, redrhino27501
The radioactive isotope of lead, pb-209, decays at a rate proportional to the amount present at time t and has a half-life of 3.3 hours. if 1 gram of this isotope is present initially, how long will it take for 80% of the lead to decay? (round your answer to two decimal places.)
Answers: 2
Physics, 23.06.2019 05:00, nsuleban9524
How long will it take a car traveling of a constant speed of 45m/s to cover the distance of a 2.5km?
Answers: 1
Mention three benefits of obtaining a senior certificate...
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