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Physics, 22.06.2019 10:00
(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present
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Physics, 22.06.2019 12:20
What is the coefficient of kinetic friction μk between the block and the tabletop?
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Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?
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Expansion is greatest in A solid B gases C liquid D all...
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