URGENT PHYSICS QUESTION WILL GIVE BRAINLIEST HELP
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Physics, 08.03.2021 01:00 LindaCat78
URGENT PHYSICS QUESTION WILL GIVE BRAINLIEST HELP
Answers: 3
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, Richelleypinelley
Definition: this is the weighted average of all of the isotopes of an element.
Answers: 1
Physics, 23.06.2019 06:30, lilzaya510
Give an example for each of the following situations: 1) negative acceleration, but positive velocity 2) positive acceleration and positive velocity 3) positive acceleration, but negative velocity 4) negative acceleration and negative velocity 5) positive velocity and no acceleration
Answers: 1
History, 27.08.2020 20:01
Social Studies, 27.08.2020 20:01