Physics, 25.06.2019 00:50 liamcareycarlisle

Sort the properties of metalloids into the correct categories

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Physics, 22.06.2019 23:50

An alpha particle with kinetic energy 12.5 mev makes a collision with lead nucleus, but it is not "aimed" at the center of the lead nucleus, and has an initial nonzero angular momentum (with respect to the stationary lead nucleus) of magnitude l = p0 b, where p0 is the magnitude of the initial momentum of the alpha particle and b=1.40×10−12 m. (assume that the lead nucleus remains stationary and that it may be treated as a point charge. the atomic number of lead is 82. the alpha particle is a helium nucleus, with atomic number 2.) what is the distance of closest approach?

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Cobwebs are popular decorations at halloween time, but an experiment in which spiders were given psychoactive substances showed that it really affects their web spinning skills! the web below was spun under the influence of what?

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