Physics, 27.11.2019 15:31 daisyramirez2057
Acontainer holds a pure sample of a radioactive substance with a half-life of 2 hours. part awhich of the following statements are true? a) after 1 hour, less than 50\% of the original atoms in the container will have decayed. b) after 1 hour, more than 50\% of the original atoms in the container will have decayed. c) after 2 hours, 50\% of the original atoms in the container will have decayed. d) after 4 hours, 25\% of the original atoms will have decayed. e) after 4 hours, the total number of atoms in the container will be reduced by 75\%.
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Which type of microscope would allow the viewer to see ribosomes inside a cell?
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From center station, a train departs every 30 minutes on the fast line and a train departs every 50 minutes on the state line. if two trains depart from center station at 8: 00 a.m., one on each of the two lines, what is the next time that two trains, one on each line, will depart at the same time?
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An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.
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Acontainer holds a pure sample of a radioactive substance with a half-life of 2 hours. part awhich o...
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