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How many neutrons does element x have it it’s atomic number is 32 and it’s mass number is 81?
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Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
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Physics, 22.06.2019 11:30
(1 point) match the differential equations and their vector valued function solutions. you may wish to multiply at least one solution out fully, to make sure that you know how to do it. you can get the other answers quickly by process of elimination and just multiply out one row element.
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If forces acting on an object are unbalanced. true or false
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The mass of the sun is 1.99×1030kg and its distance to the earth is 1.50×1011m. what is the gravitational force of the sun on the earth?
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How many neutrons does element x have it it’s atomic number is 32 and it’s mass number is 81?...
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