Physics, 30.05.2021 01:00 miathegeek97
Think for a moment about an atom of the element lead (atomic number 82) inside the radio that you listen to in the morning. In which of the following places has this atom probably NOT been during the course of its existence
a. a previous generation star
b. a supernova explosion
c. the Sun
d. a cloud of gas and dust which would clump to become a star and a family of planets
e. the Earth's crust
Answers: 1
Physics, 22.06.2019 11:00
What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.
Answers: 1
Physics, 22.06.2019 23:00
Which scientist was the first to propose the heliocentric model of the universe? a. aristotle b. isaac newton c. galileo galilei d. nicolaus copernicus
Answers: 1
Physics, 23.06.2019 08:00
Hunter is in lab. he clears a spot on his lab bench to start working. he also puts his lab coat and goggles on. he then identifies where all of the safety equipment is. he notices his station is next to the fume hood, which ventilates the chemicals stored there. the noise of the fume hood was bothersome, so hunter turned it off. which could be an error in his set-up? he should not turn off the fume hood. he should wait to put on his coat until after the directions are given. he should wait to put on his goggles until after the directions are given. he should not sit next to the fume hood.
Answers: 3
Think for a moment about an atom of the element lead (atomic number 82) inside the radio that you li...
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